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Finding the Fourth Proportional to 75,167.46, 112,774.68 and 45,214.38

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Solution

The fourth proportional to 75,167.46, 112,774.68 and 45,214.38 is: 67,835.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,167.46 : 112,774.68 = 45,214.38 : x
  2. Step 2: Convert to fraction form
    75,167.46/112,774.68 = 45,214.38/x
  3. Step 3: Cross multiply
    75,167.46x = 112,774.68 × 45,214.38
  4. Step 4: Simplify right side
    75,167.46x = 5,099,037,235.90
  5. Step 5: Solve for x
    x = 5,099,037,235.90/75,167.46
  6. Step 6: Final answer
    x = 67,835.70

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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.