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Finding the Fourth Proportional to 124,416,076.90, 186,624,115.45 and 124,416,076.90

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Solution

The fourth proportional to 124,416,076.90, 186,624,115.45 and 124,416,076.90 is: 186,624,115.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,416,076.90 : 186,624,115.45 = 124,416,076.90 : x
  2. Step 2: Convert to fraction form
    124,416,076.90/186,624,115.45 = 124,416,076.90/x
  3. Step 3: Cross multiply
    124,416,076.90x = 186,624,115.45 × 124,416,076.90
  4. Step 4: Simplify right side
    124,416,076.90x = 23,219,040,299,221,676
  5. Step 5: Solve for x
    x = 23,219,040,299,221,676/124,416,076.90
  6. Step 6: Final answer
    x = 186,624,115.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.