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Finding the Fourth Proportional to 169,270.61, 233,590.10 and 92,789.87

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Solution

The fourth proportional to 169,270.61, 233,590.10 and 92,789.87 is: 128,048.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,270.61 : 233,590.10 = 92,789.87 : x
  2. Step 2: Convert to fraction form
    169,270.61/233,590.10 = 92,789.87/x
  3. Step 3: Cross multiply
    169,270.61x = 233,590.10 × 92,789.87
  4. Step 4: Simplify right side
    169,270.61x = 21,674,793,380.39
  5. Step 5: Solve for x
    x = 21,674,793,380.39/169,270.61
  6. Step 6: Final answer
    x = 128,048.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.