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Finding the Fourth Proportional to 127,374.76, 175,780.74 and 73,654.60

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Solution

The fourth proportional to 127,374.76, 175,780.74 and 73,654.60 is: 101,645.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,374.76 : 175,780.74 = 73,654.60 : x
  2. Step 2: Convert to fraction form
    127,374.76/175,780.74 = 73,654.60/x
  3. Step 3: Cross multiply
    127,374.76x = 175,780.74 × 73,654.60
  4. Step 4: Simplify right side
    127,374.76x = 12,947,060,092.40
  5. Step 5: Solve for x
    x = 12,947,060,092.40/127,374.76
  6. Step 6: Final answer
    x = 101,645.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.