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Finding the Fourth Proportional to 141,337.89, 212,045.10 and 47,843.64

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Solution

The fourth proportional to 141,337.89, 212,045.10 and 47,843.64 is: 71,778.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,337.89 : 212,045.10 = 47,843.64 : x
  2. Step 2: Convert to fraction form
    141,337.89/212,045.10 = 47,843.64/x
  3. Step 3: Cross multiply
    141,337.89x = 212,045.10 × 47,843.64
  4. Step 4: Simplify right side
    141,337.89x = 10,145,009,428.16
  5. Step 5: Solve for x
    x = 10,145,009,428.16/141,337.89
  6. Step 6: Final answer
    x = 71,778.41

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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.