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Finding the Fourth Proportional to 207,230.74, 310,434.56 and 159,680.86

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Solution

The fourth proportional to 207,230.74, 310,434.56 and 159,680.86 is: 239,204.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,230.74 : 310,434.56 = 159,680.86 : x
  2. Step 2: Convert to fraction form
    207,230.74/310,434.56 = 159,680.86/x
  3. Step 3: Cross multiply
    207,230.74x = 310,434.56 × 159,680.86
  4. Step 4: Simplify right side
    207,230.74x = 49,570,457,514.52
  5. Step 5: Solve for x
    x = 49,570,457,514.52/207,230.74
  6. Step 6: Final answer
    x = 239,204.17

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1.5x scale

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.