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Finding the Fourth Proportional to 179,376.60, 269,064.90 and 134,470.20

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Solution

The fourth proportional to 179,376.60, 269,064.90 and 134,470.20 is: 201,705.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,376.60 : 269,064.90 = 134,470.20 : x
  2. Step 2: Convert to fraction form
    179,376.60/269,064.90 = 134,470.20/x
  3. Step 3: Cross multiply
    179,376.60x = 269,064.90 × 134,470.20
  4. Step 4: Simplify right side
    179,376.60x = 36,181,210,915.98
  5. Step 5: Solve for x
    x = 36,181,210,915.98/179,376.60
  6. Step 6: Final answer
    x = 201,705.30

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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.