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Finding the Fourth Proportional to 95,663.62, 143,329.20 and 67,140.10

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Solution

The fourth proportional to 95,663.62, 143,329.20 and 67,140.10 is: 100,593.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,663.62 : 143,329.20 = 67,140.10 : x
  2. Step 2: Convert to fraction form
    95,663.62/143,329.20 = 67,140.10/x
  3. Step 3: Cross multiply
    95,663.62x = 143,329.20 × 67,140.10
  4. Step 4: Simplify right side
    95,663.62x = 9,623,136,820.92
  5. Step 5: Solve for x
    x = 9,623,136,820.92/95,663.62
  6. Step 6: Final answer
    x = 100,593.48

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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.