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Finding the Fourth Proportional to 229,873.10, 344,809.65 and 72,101.30

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Solution

The fourth proportional to 229,873.10, 344,809.65 and 72,101.30 is: 108,151.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,873.10 : 344,809.65 = 72,101.30 : x
  2. Step 2: Convert to fraction form
    229,873.10/344,809.65 = 72,101.30/x
  3. Step 3: Cross multiply
    229,873.10x = 344,809.65 × 72,101.30
  4. Step 4: Simplify right side
    229,873.10x = 24,861,224,017.55
  5. Step 5: Solve for x
    x = 24,861,224,017.55/229,873.10
  6. Step 6: Final answer
    x = 108,151.95

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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.