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Finding the Fourth Proportional to 147,059.70, 220,856.85 and 88,010.70

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Solution

The fourth proportional to 147,059.70, 220,856.85 and 88,010.70 is: 132,176.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,059.70 : 220,856.85 = 88,010.70 : x
  2. Step 2: Convert to fraction form
    147,059.70/220,856.85 = 88,010.70/x
  3. Step 3: Cross multiply
    147,059.70x = 220,856.85 × 88,010.70
  4. Step 4: Simplify right side
    147,059.70x = 19,437,765,968.30
  5. Step 5: Solve for x
    x = 19,437,765,968.30/147,059.70
  6. Step 6: Final answer
    x = 132,176.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.