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Finding the Fourth Proportional to 229,697.96, 316,990.04 and 126,326.76

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Solution

The fourth proportional to 229,697.96, 316,990.04 and 126,326.76 is: 174,334.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,697.96 : 316,990.04 = 126,326.76 : x
  2. Step 2: Convert to fraction form
    229,697.96/316,990.04 = 126,326.76/x
  3. Step 3: Cross multiply
    229,697.96x = 316,990.04 × 126,326.76
  4. Step 4: Simplify right side
    229,697.96x = 40,044,324,705.47
  5. Step 5: Solve for x
    x = 40,044,324,705.47/229,697.96
  6. Step 6: Final answer
    x = 174,334.70

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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.