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Finding the Fourth Proportional to 118,227.52, 177,368.01 and 39,344.86

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Solution

The fourth proportional to 118,227.52, 177,368.01 and 39,344.86 is: 59,026.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,227.52 : 177,368.01 = 39,344.86 : x
  2. Step 2: Convert to fraction form
    118,227.52/177,368.01 = 39,344.86/x
  3. Step 3: Cross multiply
    118,227.52x = 177,368.01 × 39,344.86
  4. Step 4: Simplify right side
    118,227.52x = 6,978,519,521.93
  5. Step 5: Solve for x
    x = 6,978,519,521.93/118,227.52
  6. Step 6: Final answer
    x = 59,026.19

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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.