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Finding the Fourth Proportional to 67,994.62, 93,802.44 and 45,311.52

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Solution

The fourth proportional to 67,994.62, 93,802.44 and 45,311.52 is: 62,509.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,994.62 : 93,802.44 = 45,311.52 : x
  2. Step 2: Convert to fraction form
    67,994.62/93,802.44 = 45,311.52/x
  3. Step 3: Cross multiply
    67,994.62x = 93,802.44 × 45,311.52
  4. Step 4: Simplify right side
    67,994.62x = 4,250,331,136.11
  5. Step 5: Solve for x
    x = 4,250,331,136.11/67,994.62
  6. Step 6: Final answer
    x = 62,509.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.