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Finding the Fourth Proportional to 134,842.70, 202,191.15 and 55,964.90

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Solution

The fourth proportional to 134,842.70, 202,191.15 and 55,964.90 is: 83,917.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,842.70 : 202,191.15 = 55,964.90 : x
  2. Step 2: Convert to fraction form
    134,842.70/202,191.15 = 55,964.90/x
  3. Step 3: Cross multiply
    134,842.70x = 202,191.15 × 55,964.90
  4. Step 4: Simplify right side
    134,842.70x = 11,315,607,490.64
  5. Step 5: Solve for x
    x = 11,315,607,490.64/134,842.70
  6. Step 6: Final answer
    x = 83,917.09

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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.