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Finding the Fourth Proportional to 150,575.58, 207,790.47 and 86,923.98

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Solution

The fourth proportional to 150,575.58, 207,790.47 and 86,923.98 is: 119,952.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,575.58 : 207,790.47 = 86,923.98 : x
  2. Step 2: Convert to fraction form
    150,575.58/207,790.47 = 86,923.98/x
  3. Step 3: Cross multiply
    150,575.58x = 207,790.47 × 86,923.98
  4. Step 4: Simplify right side
    150,575.58x = 18,061,974,658.47
  5. Step 5: Solve for x
    x = 18,061,974,658.47/150,575.58
  6. Step 6: Final answer
    x = 119,952.88

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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.