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Finding the Fourth Proportional to 127,337.93, 175,747.99 and 73,655.58

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Solution

The fourth proportional to 127,337.93, 175,747.99 and 73,655.58 is: 101,657.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,337.93 : 175,747.99 = 73,655.58 : x
  2. Step 2: Convert to fraction form
    127,337.93/175,747.99 = 73,655.58/x
  3. Step 3: Cross multiply
    127,337.93x = 175,747.99 × 73,655.58
  4. Step 4: Simplify right side
    127,337.93x = 12,944,820,137.28
  5. Step 5: Solve for x
    x = 12,944,820,137.28/127,337.93
  6. Step 6: Final answer
    x = 101,657.22

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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.