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Finding the Fourth Proportional to 132,555.29, 199,165.08 and 124,583.67

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Solution

The fourth proportional to 132,555.29, 199,165.08 and 124,583.67 is: 187,187.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,555.29 : 199,165.08 = 124,583.67 : x
  2. Step 2: Convert to fraction form
    132,555.29/199,165.08 = 124,583.67/x
  3. Step 3: Cross multiply
    132,555.29x = 199,165.08 × 124,583.67
  4. Step 4: Simplify right side
    132,555.29x = 24,812,716,368.65
  5. Step 5: Solve for x
    x = 24,812,716,368.65/132,555.29
  6. Step 6: Final answer
    x = 187,187.68

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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.