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Finding the Fourth Proportional to 141,969.40, 212,877.30 and 58,871.80

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Solution

The fourth proportional to 141,969.40, 212,877.30 and 58,871.80 is: 88,275.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,969.40 : 212,877.30 = 58,871.80 : x
  2. Step 2: Convert to fraction form
    141,969.40/212,877.30 = 58,871.80/x
  3. Step 3: Cross multiply
    141,969.40x = 212,877.30 × 58,871.80
  4. Step 4: Simplify right side
    141,969.40x = 12,532,469,830.14
  5. Step 5: Solve for x
    x = 12,532,469,830.14/141,969.40
  6. Step 6: Final answer
    x = 88,275.85

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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.