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Finding the Fourth Proportional to 98,229.92, 147,412.92 and 39,059.48

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Solution

The fourth proportional to 98,229.92, 147,412.92 and 39,059.48 is: 58,616.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,229.92 : 147,412.92 = 39,059.48 : x
  2. Step 2: Convert to fraction form
    98,229.92/147,412.92 = 39,059.48/x
  3. Step 3: Cross multiply
    98,229.92x = 147,412.92 × 39,059.48
  4. Step 4: Simplify right side
    98,229.92x = 5,757,872,000.48
  5. Step 5: Solve for x
    x = 5,757,872,000.48/98,229.92
  6. Step 6: Final answer
    x = 58,616.27

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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.