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Finding the Fourth Proportional to 191,955.80, 287,933.70 and 169,794.20

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Solution

The fourth proportional to 191,955.80, 287,933.70 and 169,794.20 is: 254,691.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,955.80 : 287,933.70 = 169,794.20 : x
  2. Step 2: Convert to fraction form
    191,955.80/287,933.70 = 169,794.20/x
  3. Step 3: Cross multiply
    191,955.80x = 287,933.70 × 169,794.20
  4. Step 4: Simplify right side
    191,955.80x = 48,889,472,244.54
  5. Step 5: Solve for x
    x = 48,889,472,244.54/191,955.80
  6. Step 6: Final answer
    x = 254,691.30

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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.