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Finding the Fourth Proportional to 107,854.98, 161,897.49 and 95,453.88

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Solution

The fourth proportional to 107,854.98, 161,897.49 and 95,453.88 is: 143,282.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,854.98 : 161,897.49 = 95,453.88 : x
  2. Step 2: Convert to fraction form
    107,854.98/161,897.49 = 95,453.88/x
  3. Step 3: Cross multiply
    107,854.98x = 161,897.49 × 95,453.88
  4. Step 4: Simplify right side
    107,854.98x = 15,453,743,582.76
  5. Step 5: Solve for x
    x = 15,453,743,582.76/107,854.98
  6. Step 6: Final answer
    x = 143,282.62

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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.