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Finding the Fourth Proportional to 170,595.01, 256,114.25 and 131,179.79

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Solution

The fourth proportional to 170,595.01, 256,114.25 and 131,179.79 is: 196,940.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,595.01 : 256,114.25 = 131,179.79 : x
  2. Step 2: Convert to fraction form
    170,595.01/256,114.25 = 131,179.79/x
  3. Step 3: Cross multiply
    170,595.01x = 256,114.25 × 131,179.79
  4. Step 4: Simplify right side
    170,595.01x = 33,597,012,875.11
  5. Step 5: Solve for x
    x = 33,597,012,875.11/170,595.01
  6. Step 6: Final answer
    x = 196,940.19

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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.