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Finding the Fourth Proportional to 185,842.80, 256,463.37 and 100,959.93

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Solution

The fourth proportional to 185,842.80, 256,463.37 and 100,959.93 is: 139,324.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,842.80 : 256,463.37 = 100,959.93 : x
  2. Step 2: Convert to fraction form
    185,842.80/256,463.37 = 100,959.93/x
  3. Step 3: Cross multiply
    185,842.80x = 256,463.37 × 100,959.93
  4. Step 4: Simplify right side
    185,842.80x = 25,892,523,882.76
  5. Step 5: Solve for x
    x = 25,892,523,882.76/185,842.80
  6. Step 6: Final answer
    x = 139,324.87

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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.