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Finding the Fourth Proportional to 90,470.56, 124,849.48 and 52,752.10

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Solution

The fourth proportional to 90,470.56, 124,849.48 and 52,752.10 is: 72,797.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,470.56 : 124,849.48 = 52,752.10 : x
  2. Step 2: Convert to fraction form
    90,470.56/124,849.48 = 52,752.10/x
  3. Step 3: Cross multiply
    90,470.56x = 124,849.48 × 52,752.10
  4. Step 4: Simplify right side
    90,470.56x = 6,586,072,253.91
  5. Step 5: Solve for x
    x = 6,586,072,253.91/90,470.56
  6. Step 6: Final answer
    x = 72,797.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.