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Finding the Fourth Proportional to 68,248.92, 102,373.36 and 26,666.76

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Solution

The fourth proportional to 68,248.92, 102,373.36 and 26,666.76 is: 40,000.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,248.92 : 102,373.36 = 26,666.76 : x
  2. Step 2: Convert to fraction form
    68,248.92/102,373.36 = 26,666.76/x
  3. Step 3: Cross multiply
    68,248.92x = 102,373.36 × 26,666.76
  4. Step 4: Simplify right side
    68,248.92x = 2,729,965,821.51
  5. Step 5: Solve for x
    x = 2,729,965,821.51/68,248.92
  6. Step 6: Final answer
    x = 40,000.13

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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.