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Finding the Fourth Proportional to 169,938.12, 254,758.14 and 64,687.08

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Solution

The fourth proportional to 169,938.12, 254,758.14 and 64,687.08 is: 96,973.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,938.12 : 254,758.14 = 64,687.08 : x
  2. Step 2: Convert to fraction form
    169,938.12/254,758.14 = 64,687.08/x
  3. Step 3: Cross multiply
    169,938.12x = 254,758.14 × 64,687.08
  4. Step 4: Simplify right side
    169,938.12x = 16,479,560,182.83
  5. Step 5: Solve for x
    x = 16,479,560,182.83/169,938.12
  6. Step 6: Final answer
    x = 96,973.89

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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.