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Finding the Fourth Proportional to 73,626.32, 101,553 and 55,663.76

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Solution

The fourth proportional to 73,626.32, 101,553 and 55,663.76 is: 76,777.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,626.32 : 101,553 = 55,663.76 : x
  2. Step 2: Convert to fraction form
    73,626.32/101,553 = 55,663.76/x
  3. Step 3: Cross multiply
    73,626.32x = 101,553 × 55,663.76
  4. Step 4: Simplify right side
    73,626.32x = 5,652,821,819.28
  5. Step 5: Solve for x
    x = 5,652,821,819.28/73,626.32
  6. Step 6: Final answer
    x = 76,777.19

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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.