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Finding the Fourth Proportional to 101,320.43, 151,980.44 and 95,154.89

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Solution

The fourth proportional to 101,320.43, 151,980.44 and 95,154.89 is: 142,732.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,320.43 : 151,980.44 = 95,154.89 : x
  2. Step 2: Convert to fraction form
    101,320.43/151,980.44 = 95,154.89/x
  3. Step 3: Cross multiply
    101,320.43x = 151,980.44 × 95,154.89
  4. Step 4: Simplify right side
    101,320.43x = 14,461,680,814.68
  5. Step 5: Solve for x
    x = 14,461,680,814.68/101,320.43
  6. Step 6: Final answer
    x = 142,732.14

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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.