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Finding the Fourth Proportional to 324,674.49, 487,011.72 and 88,011.02

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Solution

The fourth proportional to 324,674.49, 487,011.72 and 88,011.02 is: 132,016.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,674.49 : 487,011.72 = 88,011.02 : x
  2. Step 2: Convert to fraction form
    324,674.49/487,011.72 = 88,011.02/x
  3. Step 3: Cross multiply
    324,674.49x = 487,011.72 × 88,011.02
  4. Step 4: Simplify right side
    324,674.49x = 42,862,399,776.73
  5. Step 5: Solve for x
    x = 42,862,399,776.73/324,674.49
  6. Step 6: Final answer
    x = 132,016.53

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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.