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Finding the Fourth Proportional to 181,534.60, 250,524.66 and 100,967.95

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Solution

The fourth proportional to 181,534.60, 250,524.66 and 100,967.95 is: 139,339.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,534.60 : 250,524.66 = 100,967.95 : x
  2. Step 2: Convert to fraction form
    181,534.60/250,524.66 = 100,967.95/x
  3. Step 3: Cross multiply
    181,534.60x = 250,524.66 × 100,967.95
  4. Step 4: Simplify right side
    181,534.60x = 25,294,961,344.65
  5. Step 5: Solve for x
    x = 25,294,961,344.65/181,534.60
  6. Step 6: Final answer
    x = 139,339.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.