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Finding the Fourth Proportional to 259,586.10, 389,160.45 and 134,927.10

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Solution

The fourth proportional to 259,586.10, 389,160.45 and 134,927.10 is: 202,276.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,586.10 : 389,160.45 = 134,927.10 : x
  2. Step 2: Convert to fraction form
    259,586.10/389,160.45 = 134,927.10/x
  3. Step 3: Cross multiply
    259,586.10x = 389,160.45 × 134,927.10
  4. Step 4: Simplify right side
    259,586.10x = 52,508,290,953.20
  5. Step 5: Solve for x
    x = 52,508,290,953.20/259,586.10
  6. Step 6: Final answer
    x = 202,276.97

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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.