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Finding the Fourth Proportional to 160,591.68, 240,442.56 and 121,029.12

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Solution

The fourth proportional to 160,591.68, 240,442.56 and 121,029.12 is: 181,208.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,591.68 : 240,442.56 = 121,029.12 : x
  2. Step 2: Convert to fraction form
    160,591.68/240,442.56 = 121,029.12/x
  3. Step 3: Cross multiply
    160,591.68x = 240,442.56 × 121,029.12
  4. Step 4: Simplify right side
    160,591.68x = 29,100,551,447.35
  5. Step 5: Solve for x
    x = 29,100,551,447.35/160,591.68
  6. Step 6: Final answer
    x = 181,208.34

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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.