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Finding the Fourth Proportional to 73,407.77, 110,128.06 and 23,490.87

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Solution

The fourth proportional to 73,407.77, 110,128.06 and 23,490.87 is: 35,241.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,407.77 : 110,128.06 = 23,490.87 : x
  2. Step 2: Convert to fraction form
    73,407.77/110,128.06 = 23,490.87/x
  3. Step 3: Cross multiply
    73,407.77x = 110,128.06 × 23,490.87
  4. Step 4: Simplify right side
    73,407.77x = 2,587,003,557.20
  5. Step 5: Solve for x
    x = 2,587,003,557.20/73,407.77
  6. Step 6: Final answer
    x = 35,241.55

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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.