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Finding the Fourth Proportional to 73,903.12, 101,880 and 52,645.48

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Solution

The fourth proportional to 73,903.12, 101,880 and 52,645.48 is: 72,575.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,903.12 : 101,880 = 52,645.48 : x
  2. Step 2: Convert to fraction form
    73,903.12/101,880 = 52,645.48/x
  3. Step 3: Cross multiply
    73,903.12x = 101,880 × 52,645.48
  4. Step 4: Simplify right side
    73,903.12x = 5,363,521,247.70
  5. Step 5: Solve for x
    x = 5,363,521,247.70/73,903.12
  6. Step 6: Final answer
    x = 72,575.03

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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.