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Finding the Fourth Proportional to 223,715.52, 335,630.88 and 83,475.36

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Solution

The fourth proportional to 223,715.52, 335,630.88 and 83,475.36 is: 125,234.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,715.52 : 335,630.88 = 83,475.36 : x
  2. Step 2: Convert to fraction form
    223,715.52/335,630.88 = 83,475.36/x
  3. Step 3: Cross multiply
    223,715.52x = 335,630.88 × 83,475.36
  4. Step 4: Simplify right side
    223,715.52x = 28,016,908,535.12
  5. Step 5: Solve for x
    x = 28,016,908,535.12/223,715.52
  6. Step 6: Final answer
    x = 125,234.53

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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.