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Finding the Fourth Proportional to 186,676.79, 257,613.21 and 101,793.92

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Solution

The fourth proportional to 186,676.79, 257,613.21 and 101,793.92 is: 140,475.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,676.79 : 257,613.21 = 101,793.92 : x
  2. Step 2: Convert to fraction form
    186,676.79/257,613.21 = 101,793.92/x
  3. Step 3: Cross multiply
    186,676.79x = 257,613.21 × 101,793.92
  4. Step 4: Simplify right side
    186,676.79x = 26,223,457,201.62
  5. Step 5: Solve for x
    x = 26,223,457,201.62/186,676.79
  6. Step 6: Final answer
    x = 140,475.19

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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.