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Finding the Fourth Proportional to 169,805.92, 234,330.96 and 92,280.97

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Solution

The fourth proportional to 169,805.92, 234,330.96 and 92,280.97 is: 127,347.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,805.92 : 234,330.96 = 92,280.97 : x
  2. Step 2: Convert to fraction form
    169,805.92/234,330.96 = 92,280.97/x
  3. Step 3: Cross multiply
    169,805.92x = 234,330.96 × 92,280.97
  4. Step 4: Simplify right side
    169,805.92x = 21,624,288,289.83
  5. Step 5: Solve for x
    x = 21,624,288,289.83/169,805.92
  6. Step 6: Final answer
    x = 127,347.08

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1.5x scale

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.