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Finding the Fourth Proportional to 204,699.78, 307,096.42 and 62,565.30

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Solution

The fourth proportional to 204,699.78, 307,096.42 and 62,565.30 is: 93,862.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,699.78 : 307,096.42 = 62,565.30 : x
  2. Step 2: Convert to fraction form
    204,699.78/307,096.42 = 62,565.30/x
  3. Step 3: Cross multiply
    204,699.78x = 307,096.42 × 62,565.30
  4. Step 4: Simplify right side
    204,699.78x = 19,213,579,646.23
  5. Step 5: Solve for x
    x = 19,213,579,646.23/204,699.78
  6. Step 6: Final answer
    x = 93,862.24

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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.