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Finding the Fourth Proportional to 67,894.20, 101,870.46 and 48,298.68

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Solution

The fourth proportional to 67,894.20, 101,870.46 and 48,298.68 is: 72,468.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,894.20 : 101,870.46 = 48,298.68 : x
  2. Step 2: Convert to fraction form
    67,894.20/101,870.46 = 48,298.68/x
  3. Step 3: Cross multiply
    67,894.20x = 101,870.46 × 48,298.68
  4. Step 4: Simplify right side
    67,894.20x = 4,920,208,748.99
  5. Step 5: Solve for x
    x = 4,920,208,748.99/67,894.20
  6. Step 6: Final answer
    x = 72,468.76

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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.