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Finding the Fourth Proportional to 82,266.76, 123,398.70 and 26,862.76

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Solution

The fourth proportional to 82,266.76, 123,398.70 and 26,862.76 is: 40,293.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,266.76 : 123,398.70 = 26,862.76 : x
  2. Step 2: Convert to fraction form
    82,266.76/123,398.70 = 26,862.76/x
  3. Step 3: Cross multiply
    82,266.76x = 123,398.70 × 26,862.76
  4. Step 4: Simplify right side
    82,266.76x = 3,314,829,662.41
  5. Step 5: Solve for x
    x = 3,314,829,662.41/82,266.76
  6. Step 6: Final answer
    x = 40,293.67

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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.