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Finding the Fourth Proportional to 63,129.40, 94,658.10 and 23,687.80

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Solution

The fourth proportional to 63,129.40, 94,658.10 and 23,687.80 is: 35,518.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,129.40 : 94,658.10 = 23,687.80 : x
  2. Step 2: Convert to fraction form
    63,129.40/94,658.10 = 23,687.80/x
  3. Step 3: Cross multiply
    63,129.40x = 94,658.10 × 23,687.80
  4. Step 4: Simplify right side
    63,129.40x = 2,242,242,141.18
  5. Step 5: Solve for x
    x = 2,242,242,141.18/63,129.40
  6. Step 6: Final answer
    x = 35,518.19

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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.