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Finding the Fourth Proportional to 170,280.32, 234,984.72 and 93,797.84

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Solution

The fourth proportional to 170,280.32, 234,984.72 and 93,797.84 is: 129,439.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,280.32 : 234,984.72 = 93,797.84 : x
  2. Step 2: Convert to fraction form
    170,280.32/234,984.72 = 93,797.84/x
  3. Step 3: Cross multiply
    170,280.32x = 234,984.72 × 93,797.84
  4. Step 4: Simplify right side
    170,280.32x = 22,041,059,169.00
  5. Step 5: Solve for x
    x = 22,041,059,169.00/170,280.32
  6. Step 6: Final answer
    x = 129,439.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.