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Finding the Fourth Proportional to 153,863.79, 230,808.65 and 48,680.43

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Solution

The fourth proportional to 153,863.79, 230,808.65 and 48,680.43 is: 73,024.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,863.79 : 230,808.65 = 48,680.43 : x
  2. Step 2: Convert to fraction form
    153,863.79/230,808.65 = 48,680.43/x
  3. Step 3: Cross multiply
    153,863.79x = 230,808.65 × 48,680.43
  4. Step 4: Simplify right side
    153,863.79x = 11,235,864,086.32
  5. Step 5: Solve for x
    x = 11,235,864,086.32/153,863.79
  6. Step 6: Final answer
    x = 73,024.75

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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.