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Finding the Fourth Proportional to 68,574.56, 102,870.12 and 24,192.20

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Solution

The fourth proportional to 68,574.56, 102,870.12 and 24,192.20 is: 36,291.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,574.56 : 102,870.12 = 24,192.20 : x
  2. Step 2: Convert to fraction form
    68,574.56/102,870.12 = 24,192.20/x
  3. Step 3: Cross multiply
    68,574.56x = 102,870.12 × 24,192.20
  4. Step 4: Simplify right side
    68,574.56x = 2,488,654,517.06
  5. Step 5: Solve for x
    x = 2,488,654,517.06/68,574.56
  6. Step 6: Final answer
    x = 36,291.22

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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.