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Finding the Fourth Proportional to 194,470.60, 291,705.90 and 165,440.20

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Solution

The fourth proportional to 194,470.60, 291,705.90 and 165,440.20 is: 248,160.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,470.60 : 291,705.90 = 165,440.20 : x
  2. Step 2: Convert to fraction form
    194,470.60/291,705.90 = 165,440.20/x
  3. Step 3: Cross multiply
    194,470.60x = 291,705.90 × 165,440.20
  4. Step 4: Simplify right side
    194,470.60x = 48,259,882,437.18
  5. Step 5: Solve for x
    x = 48,259,882,437.18/194,470.60
  6. Step 6: Final answer
    x = 248,160.30

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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.