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Finding the Fourth Proportional to 152,614.28, 210,621.03 and 88,950.71

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Solution

The fourth proportional to 152,614.28, 210,621.03 and 88,950.71 is: 122,759.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,614.28 : 210,621.03 = 88,950.71 : x
  2. Step 2: Convert to fraction form
    152,614.28/210,621.03 = 88,950.71/x
  3. Step 3: Cross multiply
    152,614.28x = 210,621.03 × 88,950.71
  4. Step 4: Simplify right side
    152,614.28x = 18,734,890,352.42
  5. Step 5: Solve for x
    x = 18,734,890,352.42/152,614.28
  6. Step 6: Final answer
    x = 122,759.74

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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.