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Finding the Fourth Proportional to 243,798.39, 365,695.92 and 66,304.71

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Solution

The fourth proportional to 243,798.39, 365,695.92 and 66,304.71 is: 99,456.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,798.39 : 365,695.92 = 66,304.71 : x
  2. Step 2: Convert to fraction form
    243,798.39/365,695.92 = 66,304.71/x
  3. Step 3: Cross multiply
    243,798.39x = 365,695.92 × 66,304.71
  4. Step 4: Simplify right side
    243,798.39x = 24,247,361,923.78
  5. Step 5: Solve for x
    x = 24,247,361,923.78/243,798.39
  6. Step 6: Final answer
    x = 99,456.61

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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.