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Finding the Fourth Proportional to 170,461.80, 255,999.90 and 164,932.20

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Solution

The fourth proportional to 170,461.80, 255,999.90 and 164,932.20 is: 247,695.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,461.80 : 255,999.90 = 164,932.20 : x
  2. Step 2: Convert to fraction form
    170,461.80/255,999.90 = 164,932.20/x
  3. Step 3: Cross multiply
    170,461.80x = 255,999.90 × 164,932.20
  4. Step 4: Simplify right side
    170,461.80x = 42,222,626,706.78
  5. Step 5: Solve for x
    x = 42,222,626,706.78/170,461.80
  6. Step 6: Final answer
    x = 247,695.53

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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.