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Finding the Fourth Proportional to 63,006.60, 94,509.90 and 57,174.60

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Solution

The fourth proportional to 63,006.60, 94,509.90 and 57,174.60 is: 85,761.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,006.60 : 94,509.90 = 57,174.60 : x
  2. Step 2: Convert to fraction form
    63,006.60/94,509.90 = 57,174.60/x
  3. Step 3: Cross multiply
    63,006.60x = 94,509.90 × 57,174.60
  4. Step 4: Simplify right side
    63,006.60x = 5,403,565,728.54
  5. Step 5: Solve for x
    x = 5,403,565,728.54/63,006.60
  6. Step 6: Final answer
    x = 85,761.90

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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.