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Finding the Fourth Proportional to 127,000.71, 175,279.14 and 73,304.19

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Solution

The fourth proportional to 127,000.71, 175,279.14 and 73,304.19 is: 101,170.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,000.71 : 175,279.14 = 73,304.19 : x
  2. Step 2: Convert to fraction form
    127,000.71/175,279.14 = 73,304.19/x
  3. Step 3: Cross multiply
    127,000.71x = 175,279.14 × 73,304.19
  4. Step 4: Simplify right side
    127,000.71x = 12,848,695,381.60
  5. Step 5: Solve for x
    x = 12,848,695,381.60/127,000.71
  6. Step 6: Final answer
    x = 101,170.26

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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.