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Finding the Fourth Proportional to 168,860.74, 253,291.06 and 63,655.11

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Solution

The fourth proportional to 168,860.74, 253,291.06 and 63,655.11 is: 95,482.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,860.74 : 253,291.06 = 63,655.11 : x
  2. Step 2: Convert to fraction form
    168,860.74/253,291.06 = 63,655.11/x
  3. Step 3: Cross multiply
    168,860.74x = 253,291.06 × 63,655.11
  4. Step 4: Simplify right side
    168,860.74x = 16,123,270,286.32
  5. Step 5: Solve for x
    x = 16,123,270,286.32/168,860.74
  6. Step 6: Final answer
    x = 95,482.65

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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.