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Finding the Fourth Proportional to 127,801.38, 191,702.53 and 39,054.52

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Solution

The fourth proportional to 127,801.38, 191,702.53 and 39,054.52 is: 58,581.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,801.38 : 191,702.53 = 39,054.52 : x
  2. Step 2: Convert to fraction form
    127,801.38/191,702.53 = 39,054.52/x
  3. Step 3: Cross multiply
    127,801.38x = 191,702.53 × 39,054.52
  4. Step 4: Simplify right side
    127,801.38x = 7,486,850,580.38
  5. Step 5: Solve for x
    x = 7,486,850,580.38/127,801.38
  6. Step 6: Final answer
    x = 58,581.92

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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.