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Finding the Fourth Proportional to 99,331.84, 148,966.14 and 32,759.56

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Solution

The fourth proportional to 99,331.84, 148,966.14 and 32,759.56 is: 49,128.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,331.84 : 148,966.14 = 32,759.56 : x
  2. Step 2: Convert to fraction form
    99,331.84/148,966.14 = 32,759.56/x
  3. Step 3: Cross multiply
    99,331.84x = 148,966.14 × 32,759.56
  4. Step 4: Simplify right side
    99,331.84x = 4,880,065,201.30
  5. Step 5: Solve for x
    x = 4,880,065,201.30/99,331.84
  6. Step 6: Final answer
    x = 49,128.91

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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.