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Finding the Fourth Proportional to 141,872.68, 212,838.18 and 58,766.68

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Solution

The fourth proportional to 141,872.68, 212,838.18 and 58,766.68 is: 88,162.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,872.68 : 212,838.18 = 58,766.68 : x
  2. Step 2: Convert to fraction form
    141,872.68/212,838.18 = 58,766.68/x
  3. Step 3: Cross multiply
    141,872.68x = 212,838.18 × 58,766.68
  4. Step 4: Simplify right side
    141,872.68x = 12,507,793,215.84
  5. Step 5: Solve for x
    x = 12,507,793,215.84/141,872.68
  6. Step 6: Final answer
    x = 88,162.10

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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.