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Finding the Fourth Proportional to 158,872.44, 238,308.51 and 40,543.80

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Solution

The fourth proportional to 158,872.44, 238,308.51 and 40,543.80 is: 60,815.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,872.44 : 238,308.51 = 40,543.80 : x
  2. Step 2: Convert to fraction form
    158,872.44/238,308.51 = 40,543.80/x
  3. Step 3: Cross multiply
    158,872.44x = 238,308.51 × 40,543.80
  4. Step 4: Simplify right side
    158,872.44x = 9,661,932,567.74
  5. Step 5: Solve for x
    x = 9,661,932,567.74/158,872.44
  6. Step 6: Final answer
    x = 60,815.66

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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.