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Finding the Fourth Proportional to 127,169.92, 175,494.88 and 70,581.44

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Solution

The fourth proportional to 127,169.92, 175,494.88 and 70,581.44 is: 97,402.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,169.92 : 175,494.88 = 70,581.44 : x
  2. Step 2: Convert to fraction form
    127,169.92/175,494.88 = 70,581.44/x
  3. Step 3: Cross multiply
    127,169.92x = 175,494.88 × 70,581.44
  4. Step 4: Simplify right side
    127,169.92x = 12,386,681,343.03
  5. Step 5: Solve for x
    x = 12,386,681,343.03/127,169.92
  6. Step 6: Final answer
    x = 97,402.60

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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.