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Finding the Fourth Proportional to 179,778.71, 269,598.01 and 67,397.63

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Solution

The fourth proportional to 179,778.71, 269,598.01 and 67,397.63 is: 101,070.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,778.71 : 269,598.01 = 67,397.63 : x
  2. Step 2: Convert to fraction form
    179,778.71/269,598.01 = 67,397.63/x
  3. Step 3: Cross multiply
    179,778.71x = 269,598.01 × 67,397.63
  4. Step 4: Simplify right side
    179,778.71x = 18,170,266,926.72
  5. Step 5: Solve for x
    x = 18,170,266,926.72/179,778.71
  6. Step 6: Final answer
    x = 101,070.18

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1.5x scale

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.