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Finding the Fourth Proportional to 179,686.20, 269,529.30 and 170,938.20

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Solution

The fourth proportional to 179,686.20, 269,529.30 and 170,938.20 is: 256,407.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,686.20 : 269,529.30 = 170,938.20 : x
  2. Step 2: Convert to fraction form
    179,686.20/269,529.30 = 170,938.20/x
  3. Step 3: Cross multiply
    179,686.20x = 269,529.30 × 170,938.20
  4. Step 4: Simplify right side
    179,686.20x = 46,072,853,389.26
  5. Step 5: Solve for x
    x = 46,072,853,389.26/179,686.20
  6. Step 6: Final answer
    x = 256,407.30

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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.