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Finding the Fourth Proportional to 163,614.20, 245,421.30 and 88,964.60

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Solution

The fourth proportional to 163,614.20, 245,421.30 and 88,964.60 is: 133,446.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,614.20 : 245,421.30 = 88,964.60 : x
  2. Step 2: Convert to fraction form
    163,614.20/245,421.30 = 88,964.60/x
  3. Step 3: Cross multiply
    163,614.20x = 245,421.30 × 88,964.60
  4. Step 4: Simplify right side
    163,614.20x = 21,833,807,785.98
  5. Step 5: Solve for x
    x = 21,833,807,785.98/163,614.20
  6. Step 6: Final answer
    x = 133,446.90

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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.