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Finding the Fourth Proportional to 75,174.95, 112,765.16 and 25,256.68

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Solution

The fourth proportional to 75,174.95, 112,765.16 and 25,256.68 is: 37,885.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,174.95 : 112,765.16 = 25,256.68 : x
  2. Step 2: Convert to fraction form
    75,174.95/112,765.16 = 25,256.68/x
  3. Step 3: Cross multiply
    75,174.95x = 112,765.16 × 25,256.68
  4. Step 4: Simplify right side
    75,174.95x = 2,848,073,342.50
  5. Step 5: Solve for x
    x = 2,848,073,342.50/75,174.95
  6. Step 6: Final answer
    x = 37,885.93

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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.