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Finding the Fourth Proportional to 169,716.95, 254,575.41 and 43,357.46

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Solution

The fourth proportional to 169,716.95, 254,575.41 and 43,357.46 is: 65,036.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,716.95 : 254,575.41 = 43,357.46 : x
  2. Step 2: Convert to fraction form
    169,716.95/254,575.41 = 43,357.46/x
  3. Step 3: Cross multiply
    169,716.95x = 254,575.41 × 43,357.46
  4. Step 4: Simplify right side
    169,716.95x = 11,037,743,152.58
  5. Step 5: Solve for x
    x = 11,037,743,152.58/169,716.95
  6. Step 6: Final answer
    x = 65,036.19

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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.