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Finding the Fourth Proportional to 67,483.60, 101,077.78 and 43,708.48

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Solution

The fourth proportional to 67,483.60, 101,077.78 and 43,708.48 is: 65,467.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,483.60 : 101,077.78 = 43,708.48 : x
  2. Step 2: Convert to fraction form
    67,483.60/101,077.78 = 43,708.48/x
  3. Step 3: Cross multiply
    67,483.60x = 101,077.78 × 43,708.48
  4. Step 4: Simplify right side
    67,483.60x = 4,417,956,125.57
  5. Step 5: Solve for x
    x = 4,417,956,125.57/67,483.60
  6. Step 6: Final answer
    x = 65,467.11

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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.