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Finding the Fourth Proportional to 141,614.87, 212,458.82 and 52,869.11

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Solution

The fourth proportional to 141,614.87, 212,458.82 and 52,869.11 is: 79,317.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,614.87 : 212,458.82 = 52,869.11 : x
  2. Step 2: Convert to fraction form
    141,614.87/212,458.82 = 52,869.11/x
  3. Step 3: Cross multiply
    141,614.87x = 212,458.82 × 52,869.11
  4. Step 4: Simplify right side
    141,614.87x = 11,232,507,398.41
  5. Step 5: Solve for x
    x = 11,232,507,398.41/141,614.87
  6. Step 6: Final answer
    x = 79,317.29

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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.