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Finding the Fourth Proportional to 134,788.70, 202,110.15 and 55,910.90

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Solution

The fourth proportional to 134,788.70, 202,110.15 and 55,910.90 is: 83,836.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,788.70 : 202,110.15 = 55,910.90 : x
  2. Step 2: Convert to fraction form
    134,788.70/202,110.15 = 55,910.90/x
  3. Step 3: Cross multiply
    134,788.70x = 202,110.15 × 55,910.90
  4. Step 4: Simplify right side
    134,788.70x = 11,300,160,385.64
  5. Step 5: Solve for x
    x = 11,300,160,385.64/134,788.70
  6. Step 6: Final answer
    x = 83,836.11

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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.