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Finding the Fourth Proportional to 138,191.34, 207,293.49 and 44,704.38

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Solution

The fourth proportional to 138,191.34, 207,293.49 and 44,704.38 is: 67,058.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,191.34 : 207,293.49 = 44,704.38 : x
  2. Step 2: Convert to fraction form
    138,191.34/207,293.49 = 44,704.38/x
  3. Step 3: Cross multiply
    138,191.34x = 207,293.49 × 44,704.38
  4. Step 4: Simplify right side
    138,191.34x = 9,266,926,948.49
  5. Step 5: Solve for x
    x = 9,266,926,948.49/138,191.34
  6. Step 6: Final answer
    x = 67,058.67

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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.