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Finding the Fourth Proportional to 75,636.60, 113,282.10 and 44,532.60

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Solution

The fourth proportional to 75,636.60, 113,282.10 and 44,532.60 is: 66,697.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,636.60 : 113,282.10 = 44,532.60 : x
  2. Step 2: Convert to fraction form
    75,636.60/113,282.10 = 44,532.60/x
  3. Step 3: Cross multiply
    75,636.60x = 113,282.10 × 44,532.60
  4. Step 4: Simplify right side
    75,636.60x = 5,044,746,446.46
  5. Step 5: Solve for x
    x = 5,044,746,446.46/75,636.60
  6. Step 6: Final answer
    x = 66,697.16

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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.