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Finding the Fourth Proportional to 162,713.82, 224,387.30 and 126,890.76

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Solution

The fourth proportional to 162,713.82, 224,387.30 and 126,890.76 is: 174,986.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,713.82 : 224,387.30 = 126,890.76 : x
  2. Step 2: Convert to fraction form
    162,713.82/224,387.30 = 126,890.76/x
  3. Step 3: Cross multiply
    162,713.82x = 224,387.30 × 126,890.76
  4. Step 4: Simplify right side
    162,713.82x = 28,472,675,031.35
  5. Step 5: Solve for x
    x = 28,472,675,031.35/162,713.82
  6. Step 6: Final answer
    x = 174,986.21

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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.