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Finding the Fourth Proportional to 229,806.59, 344,712.24 and 69,908.40

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Solution

The fourth proportional to 229,806.59, 344,712.24 and 69,908.40 is: 104,863.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,806.59 : 344,712.24 = 69,908.40 : x
  2. Step 2: Convert to fraction form
    229,806.59/344,712.24 = 69,908.40/x
  3. Step 3: Cross multiply
    229,806.59x = 344,712.24 × 69,908.40
  4. Step 4: Simplify right side
    229,806.59x = 24,098,281,158.82
  5. Step 5: Solve for x
    x = 24,098,281,158.82/229,806.59
  6. Step 6: Final answer
    x = 104,863.32

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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.