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Finding the Fourth Proportional to 169,687.30, 252,685.67 and 167,823.58

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Solution

The fourth proportional to 169,687.30, 252,685.67 and 167,823.58 is: 249,910.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,687.30 : 252,685.67 = 167,823.58 : x
  2. Step 2: Convert to fraction form
    169,687.30/252,685.67 = 167,823.58/x
  3. Step 3: Cross multiply
    169,687.30x = 252,685.67 × 167,823.58
  4. Step 4: Simplify right side
    169,687.30x = 42,406,613,754.10
  5. Step 5: Solve for x
    x = 42,406,613,754.10/169,687.30
  6. Step 6: Final answer
    x = 249,910.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.