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Finding the Fourth Proportional to 167,585.66, 251,386.20 and 55,275.72

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Solution

The fourth proportional to 167,585.66, 251,386.20 and 55,275.72 is: 82,916.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,585.66 : 251,386.20 = 55,275.72 : x
  2. Step 2: Convert to fraction form
    167,585.66/251,386.20 = 55,275.72/x
  3. Step 3: Cross multiply
    167,585.66x = 251,386.20 × 55,275.72
  4. Step 4: Simplify right side
    167,585.66x = 13,895,552,260.37
  5. Step 5: Solve for x
    x = 13,895,552,260.37/167,585.66
  6. Step 6: Final answer
    x = 82,916.12

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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.