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Finding the Fourth Proportional to 75,155.88, 112,735.66 and 25,237.62

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Solution

The fourth proportional to 75,155.88, 112,735.66 and 25,237.62 is: 37,857.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,155.88 : 112,735.66 = 25,237.62 : x
  2. Step 2: Convert to fraction form
    75,155.88/112,735.66 = 25,237.62/x
  3. Step 3: Cross multiply
    75,155.88x = 112,735.66 × 25,237.62
  4. Step 4: Simplify right side
    75,155.88x = 2,845,179,747.53
  5. Step 5: Solve for x
    x = 2,845,179,747.53/75,155.88
  6. Step 6: Final answer
    x = 37,857.05

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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.