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Finding the Fourth Proportional to 132,800.76, 199,240.16 and 39,308.92

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Solution

The fourth proportional to 132,800.76, 199,240.16 and 39,308.92 is: 58,974.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,800.76 : 199,240.16 = 39,308.92 : x
  2. Step 2: Convert to fraction form
    132,800.76/199,240.16 = 39,308.92/x
  3. Step 3: Cross multiply
    132,800.76x = 199,240.16 × 39,308.92
  4. Step 4: Simplify right side
    132,800.76x = 7,831,915,510.23
  5. Step 5: Solve for x
    x = 7,831,915,510.23/132,800.76
  6. Step 6: Final answer
    x = 58,974.93

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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.