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Finding the Fourth Proportional to 79,796.14, 119,592.45 and 42,374.14

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Solution

The fourth proportional to 79,796.14, 119,592.45 and 42,374.14 is: 63,507.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,796.14 : 119,592.45 = 42,374.14 : x
  2. Step 2: Convert to fraction form
    79,796.14/119,592.45 = 42,374.14/x
  3. Step 3: Cross multiply
    79,796.14x = 119,592.45 × 42,374.14
  4. Step 4: Simplify right side
    79,796.14x = 5,067,626,920.26
  5. Step 5: Solve for x
    x = 5,067,626,920.26/79,796.14
  6. Step 6: Final answer
    x = 63,507.17

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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.