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Finding the Fourth Proportional to 211,417.92, 317,126.88 and 63,673.92

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Solution

The fourth proportional to 211,417.92, 317,126.88 and 63,673.92 is: 95,510.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,417.92 : 317,126.88 = 63,673.92 : x
  2. Step 2: Convert to fraction form
    211,417.92/317,126.88 = 63,673.92/x
  3. Step 3: Cross multiply
    211,417.92x = 317,126.88 × 63,673.92
  4. Step 4: Simplify right side
    211,417.92x = 20,192,711,586.97
  5. Step 5: Solve for x
    x = 20,192,711,586.97/211,417.92
  6. Step 6: Final answer
    x = 95,510.88

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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.