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Finding the Fourth Proportional to 67,965.68, 101,966.90 and 48,368.64

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Solution

The fourth proportional to 67,965.68, 101,966.90 and 48,368.64 is: 72,566.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,965.68 : 101,966.90 = 48,368.64 : x
  2. Step 2: Convert to fraction form
    67,965.68/101,966.90 = 48,368.64/x
  3. Step 3: Cross multiply
    67,965.68x = 101,966.90 × 48,368.64
  4. Step 4: Simplify right side
    67,965.68x = 4,932,000,690.62
  5. Step 5: Solve for x
    x = 4,932,000,690.62/67,965.68
  6. Step 6: Final answer
    x = 72,566.04

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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.