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Finding the Fourth Proportional to 252,244.42, 378,355.68 and 62,700.78

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Solution

The fourth proportional to 252,244.42, 378,355.68 and 62,700.78 is: 94,048.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,244.42 : 378,355.68 = 62,700.78 : x
  2. Step 2: Convert to fraction form
    252,244.42/378,355.68 = 62,700.78/x
  3. Step 3: Cross multiply
    252,244.42x = 378,355.68 × 62,700.78
  4. Step 4: Simplify right side
    252,244.42x = 23,723,196,253.43
  5. Step 5: Solve for x
    x = 23,723,196,253.43/252,244.42
  6. Step 6: Final answer
    x = 94,048.45

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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.