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Finding the Fourth Proportional to 108,000.80, 162,001.20 and 58,061.60

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Solution

The fourth proportional to 108,000.80, 162,001.20 and 58,061.60 is: 87,092.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,000.80 : 162,001.20 = 58,061.60 : x
  2. Step 2: Convert to fraction form
    108,000.80/162,001.20 = 58,061.60/x
  3. Step 3: Cross multiply
    108,000.80x = 162,001.20 × 58,061.60
  4. Step 4: Simplify right side
    108,000.80x = 9,406,048,873.92
  5. Step 5: Solve for x
    x = 9,406,048,873.92/108,000.80
  6. Step 6: Final answer
    x = 87,092.40

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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.