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Finding the Fourth Proportional to 167,411.53, 252,268.18 and 138,477.52

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Solution

The fourth proportional to 167,411.53, 252,268.18 and 138,477.52 is: 208,668.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,411.53 : 252,268.18 = 138,477.52 : x
  2. Step 2: Convert to fraction form
    167,411.53/252,268.18 = 138,477.52/x
  3. Step 3: Cross multiply
    167,411.53x = 252,268.18 × 138,477.52
  4. Step 4: Simplify right side
    167,411.53x = 34,933,471,941.31
  5. Step 5: Solve for x
    x = 34,933,471,941.31/167,411.53
  6. Step 6: Final answer
    x = 208,668.26

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.