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Finding the Fourth Proportional to 127,300.62, 175,655.35 and 73,575.28

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Solution

The fourth proportional to 127,300.62, 175,655.35 and 73,575.28 is: 101,522.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,300.62 : 175,655.35 = 73,575.28 : x
  2. Step 2: Convert to fraction form
    127,300.62/175,655.35 = 73,575.28/x
  3. Step 3: Cross multiply
    127,300.62x = 175,655.35 × 73,575.28
  4. Step 4: Simplify right side
    127,300.62x = 12,923,891,559.75
  5. Step 5: Solve for x
    x = 12,923,891,559.75/127,300.62
  6. Step 6: Final answer
    x = 101,522.61

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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.