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Finding the Fourth Proportional to 124,326.66, 186,491.29 and 99,524.37

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Solution

The fourth proportional to 124,326.66, 186,491.29 and 99,524.37 is: 149,287.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,326.66 : 186,491.29 = 99,524.37 : x
  2. Step 2: Convert to fraction form
    124,326.66/186,491.29 = 99,524.37/x
  3. Step 3: Cross multiply
    124,326.66x = 186,491.29 × 99,524.37
  4. Step 4: Simplify right side
    124,326.66x = 18,560,428,147.74
  5. Step 5: Solve for x
    x = 18,560,428,147.74/124,326.66
  6. Step 6: Final answer
    x = 149,287.60

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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.