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Finding the Fourth Proportional to 186,676.11, 257,612.55 and 101,793.17

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Solution

The fourth proportional to 186,676.11, 257,612.55 and 101,793.17 is: 140,474.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,676.11 : 257,612.55 = 101,793.17 : x
  2. Step 2: Convert to fraction form
    186,676.11/257,612.55 = 101,793.17/x
  3. Step 3: Cross multiply
    186,676.11x = 257,612.55 × 101,793.17
  4. Step 4: Simplify right side
    186,676.11x = 26,223,198,096.28
  5. Step 5: Solve for x
    x = 26,223,198,096.28/186,676.11
  6. Step 6: Final answer
    x = 140,474.31

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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.