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Finding the Fourth Proportional to 161,543.65, 222,951.13 and 92,659.99

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Solution

The fourth proportional to 161,543.65, 222,951.13 and 92,659.99 is: 127,882.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,543.65 : 222,951.13 = 92,659.99 : x
  2. Step 2: Convert to fraction form
    161,543.65/222,951.13 = 92,659.99/x
  3. Step 3: Cross multiply
    161,543.65x = 222,951.13 × 92,659.99
  4. Step 4: Simplify right side
    161,543.65x = 20,658,648,455.61
  5. Step 5: Solve for x
    x = 20,658,648,455.61/161,543.65
  6. Step 6: Final answer
    x = 127,882.77

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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.