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Finding the Fourth Proportional to 230,126.67, 344,966.85 and 117,859.86

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Solution

The fourth proportional to 230,126.67, 344,966.85 and 117,859.86 is: 176,675.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,126.67 : 344,966.85 = 117,859.86 : x
  2. Step 2: Convert to fraction form
    230,126.67/344,966.85 = 117,859.86/x
  3. Step 3: Cross multiply
    230,126.67x = 344,966.85 × 117,859.86
  4. Step 4: Simplify right side
    230,126.67x = 40,657,744,645.64
  5. Step 5: Solve for x
    x = 40,657,744,645.64/230,126.67
  6. Step 6: Final answer
    x = 176,675.50

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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.