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Finding the Fourth Proportional to 147,614.90, 221,451.15 and 63,374.90

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Solution

The fourth proportional to 147,614.90, 221,451.15 and 63,374.90 is: 95,074.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,614.90 : 221,451.15 = 63,374.90 : x
  2. Step 2: Convert to fraction form
    147,614.90/221,451.15 = 63,374.90/x
  3. Step 3: Cross multiply
    147,614.90x = 221,451.15 × 63,374.90
  4. Step 4: Simplify right side
    147,614.90x = 14,034,444,486.14
  5. Step 5: Solve for x
    x = 14,034,444,486.14/147,614.90
  6. Step 6: Final answer
    x = 95,074.71

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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.