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Finding the Fourth Proportional to 191,846.60, 287,769.90 and 180,960.20

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Solution

The fourth proportional to 191,846.60, 287,769.90 and 180,960.20 is: 271,440.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,846.60 : 287,769.90 = 180,960.20 : x
  2. Step 2: Convert to fraction form
    191,846.60/287,769.90 = 180,960.20/x
  3. Step 3: Cross multiply
    191,846.60x = 287,769.90 × 180,960.20
  4. Step 4: Simplify right side
    191,846.60x = 52,074,898,657.98
  5. Step 5: Solve for x
    x = 52,074,898,657.98/191,846.60
  6. Step 6: Final answer
    x = 271,440.30

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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.