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Finding the Fourth Proportional to 229,663.61, 344,473.13 and 69,740.93

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Solution

The fourth proportional to 229,663.61, 344,473.13 and 69,740.93 is: 104,604.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,663.61 : 344,473.13 = 69,740.93 : x
  2. Step 2: Convert to fraction form
    229,663.61/344,473.13 = 69,740.93/x
  3. Step 3: Cross multiply
    229,663.61x = 344,473.13 × 69,740.93
  4. Step 4: Simplify right side
    229,663.61x = 24,023,876,446.21
  5. Step 5: Solve for x
    x = 24,023,876,446.21/229,663.61
  6. Step 6: Final answer
    x = 104,604.63

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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.