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Finding the Fourth Proportional to 252,243.54, 378,354.38 and 62,699.90

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Solution

The fourth proportional to 252,243.54, 378,354.38 and 62,699.90 is: 94,047.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,243.54 : 378,354.38 = 62,699.90 : x
  2. Step 2: Convert to fraction form
    252,243.54/378,354.38 = 62,699.90/x
  3. Step 3: Cross multiply
    252,243.54x = 378,354.38 × 62,699.90
  4. Step 4: Simplify right side
    252,243.54x = 23,722,779,585.29
  5. Step 5: Solve for x
    x = 23,722,779,585.29/252,243.54
  6. Step 6: Final answer
    x = 94,047.12

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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.