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Finding the Fourth Proportional to 170,232.30, 255,348.45 and 153,902.70

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Solution

The fourth proportional to 170,232.30, 255,348.45 and 153,902.70 is: 230,854.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,232.30 : 255,348.45 = 153,902.70 : x
  2. Step 2: Convert to fraction form
    170,232.30/255,348.45 = 153,902.70/x
  3. Step 3: Cross multiply
    170,232.30x = 255,348.45 × 153,902.70
  4. Step 4: Simplify right side
    170,232.30x = 39,298,815,895.82
  5. Step 5: Solve for x
    x = 39,298,815,895.82/170,232.30
  6. Step 6: Final answer
    x = 230,854.05

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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.