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Finding the Fourth Proportional to 124,518.20, 186,518.10 and 124,518.20

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Solution

The fourth proportional to 124,518.20, 186,518.10 and 124,518.20 is: 186,518.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,518.20 : 186,518.10 = 124,518.20 : x
  2. Step 2: Convert to fraction form
    124,518.20/186,518.10 = 124,518.20/x
  3. Step 3: Cross multiply
    124,518.20x = 186,518.10 × 124,518.20
  4. Step 4: Simplify right side
    124,518.20x = 23,224,898,079.42
  5. Step 5: Solve for x
    x = 23,224,898,079.42/124,518.20
  6. Step 6: Final answer
    x = 186,518.10

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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.