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Finding the Fourth Proportional to 82,998.56, 124,478.88 and 23,833.76

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Solution

The fourth proportional to 82,998.56, 124,478.88 and 23,833.76 is: 35,745.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,998.56 : 124,478.88 = 23,833.76 : x
  2. Step 2: Convert to fraction form
    82,998.56/124,478.88 = 23,833.76/x
  3. Step 3: Cross multiply
    82,998.56x = 124,478.88 × 23,833.76
  4. Step 4: Simplify right side
    82,998.56x = 2,966,799,750.99
  5. Step 5: Solve for x
    x = 2,966,799,750.99/82,998.56
  6. Step 6: Final answer
    x = 35,745.20

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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.