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Finding the Fourth Proportional to 169,662.30, 254,493.45 and 155,228.10

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Solution

The fourth proportional to 169,662.30, 254,493.45 and 155,228.10 is: 232,842.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,662.30 : 254,493.45 = 155,228.10 : x
  2. Step 2: Convert to fraction form
    169,662.30/254,493.45 = 155,228.10/x
  3. Step 3: Cross multiply
    169,662.30x = 254,493.45 × 155,228.10
  4. Step 4: Simplify right side
    169,662.30x = 39,504,534,705.95
  5. Step 5: Solve for x
    x = 39,504,534,705.95/169,662.30
  6. Step 6: Final answer
    x = 232,842.15

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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.