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Finding the Fourth Proportional to 124,416,085.70, 186,624,128.55 and 124,416,085.70

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Solution

The fourth proportional to 124,416,085.70, 186,624,128.55 and 124,416,085.70 is: 186,624,128.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,416,085.70 : 186,624,128.55 = 124,416,085.70 : x
  2. Step 2: Convert to fraction form
    124,416,085.70/186,624,128.55 = 124,416,085.70/x
  3. Step 3: Cross multiply
    124,416,085.70x = 186,624,128.55 × 124,416,085.70
  4. Step 4: Simplify right side
    124,416,085.70x = 23,219,043,571,364,620
  5. Step 5: Solve for x
    x = 23,219,043,571,364,620/124,416,085.70
  6. Step 6: Final answer
    x = 186,624,128.55

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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.