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Finding the Fourth Proportional to 169,686.40, 254,362.20 and 94,842.40

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Solution

The fourth proportional to 169,686.40, 254,362.20 and 94,842.40 is: 142,170.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,686.40 : 254,362.20 = 94,842.40 : x
  2. Step 2: Convert to fraction form
    169,686.40/254,362.20 = 94,842.40/x
  3. Step 3: Cross multiply
    169,686.40x = 254,362.20 × 94,842.40
  4. Step 4: Simplify right side
    169,686.40x = 24,124,321,517.28
  5. Step 5: Solve for x
    x = 24,124,321,517.28/169,686.40
  6. Step 6: Final answer
    x = 142,170.04

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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.