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Finding the Fourth Proportional to 243,842.27, 365,726.45 and 66,363.11

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Solution

The fourth proportional to 243,842.27, 365,726.45 and 66,363.11 is: 99,534.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,842.27 : 365,726.45 = 66,363.11 : x
  2. Step 2: Convert to fraction form
    243,842.27/365,726.45 = 66,363.11/x
  3. Step 3: Cross multiply
    243,842.27x = 365,726.45 × 66,363.11
  4. Step 4: Simplify right side
    243,842.27x = 24,270,745,711.48
  5. Step 5: Solve for x
    x = 24,270,745,711.48/243,842.27
  6. Step 6: Final answer
    x = 99,534.61

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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.