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Finding the Fourth Proportional to 75,904.40, 113,856.60 and 67,375.10

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Solution

The fourth proportional to 75,904.40, 113,856.60 and 67,375.10 is: 101,062.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,904.40 : 113,856.60 = 67,375.10 : x
  2. Step 2: Convert to fraction form
    75,904.40/113,856.60 = 67,375.10/x
  3. Step 3: Cross multiply
    75,904.40x = 113,856.60 × 67,375.10
  4. Step 4: Simplify right side
    75,904.40x = 7,671,099,810.66
  5. Step 5: Solve for x
    x = 7,671,099,810.66/75,904.40
  6. Step 6: Final answer
    x = 101,062.65

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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.