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Finding the Fourth Proportional to 127,031.50, 175,290.87 and 73,333.84

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Solution

The fourth proportional to 127,031.50, 175,290.87 and 73,333.84 is: 101,193.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,031.50 : 175,290.87 = 73,333.84 : x
  2. Step 2: Convert to fraction form
    127,031.50/175,290.87 = 73,333.84/x
  3. Step 3: Cross multiply
    127,031.50x = 175,290.87 × 73,333.84
  4. Step 4: Simplify right side
    127,031.50x = 12,854,752,614.04
  5. Step 5: Solve for x
    x = 12,854,752,614.04/127,031.50
  6. Step 6: Final answer
    x = 101,193.43

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1.5x scale

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.