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Finding the Fourth Proportional to 127,189.44, 175,520.52 and 70,600.68

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Solution

The fourth proportional to 127,189.44, 175,520.52 and 70,600.68 is: 97,428.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,189.44 : 175,520.52 = 70,600.68 : x
  2. Step 2: Convert to fraction form
    127,189.44/175,520.52 = 70,600.68/x
  3. Step 3: Cross multiply
    127,189.44x = 175,520.52 × 70,600.68
  4. Step 4: Simplify right side
    127,189.44x = 12,391,868,065.95
  5. Step 5: Solve for x
    x = 12,391,868,065.95/127,189.44
  6. Step 6: Final answer
    x = 97,428.43

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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.