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Finding the Fourth Proportional to 75,171.80, 112,757.70 and 25,235.30

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Solution

The fourth proportional to 75,171.80, 112,757.70 and 25,235.30 is: 37,852.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,171.80 : 112,757.70 = 25,235.30 : x
  2. Step 2: Convert to fraction form
    75,171.80/112,757.70 = 25,235.30/x
  3. Step 3: Cross multiply
    75,171.80x = 112,757.70 × 25,235.30
  4. Step 4: Simplify right side
    75,171.80x = 2,845,474,386.81
  5. Step 5: Solve for x
    x = 2,845,474,386.81/75,171.80
  6. Step 6: Final answer
    x = 37,852.95

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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.