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Finding the Fourth Proportional to 111,793.27, 154,276.70 and 60,807.11

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Solution

The fourth proportional to 111,793.27, 154,276.70 and 60,807.11 is: 83,914.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,793.27 : 154,276.70 = 60,807.11 : x
  2. Step 2: Convert to fraction form
    111,793.27/154,276.70 = 60,807.11/x
  3. Step 3: Cross multiply
    111,793.27x = 154,276.70 × 60,807.11
  4. Step 4: Simplify right side
    111,793.27x = 9,381,119,963.30
  5. Step 5: Solve for x
    x = 9,381,119,963.30/111,793.27
  6. Step 6: Final answer
    x = 83,914.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.