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Finding the Fourth Proportional to 169,765.94, 254,561.31 and 76,191.62

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Solution

The fourth proportional to 169,765.94, 254,561.31 and 76,191.62 is: 114,248.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,765.94 : 254,561.31 = 76,191.62 : x
  2. Step 2: Convert to fraction form
    169,765.94/254,561.31 = 76,191.62/x
  3. Step 3: Cross multiply
    169,765.94x = 254,561.31 × 76,191.62
  4. Step 4: Simplify right side
    169,765.94x = 19,395,438,598.22
  5. Step 5: Solve for x
    x = 19,395,438,598.22/169,765.94
  6. Step 6: Final answer
    x = 114,248.11

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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.