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Finding the Fourth Proportional to 101,580.52, 152,401.98 and 45,467.92

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Solution

The fourth proportional to 101,580.52, 152,401.98 and 45,467.92 is: 68,215.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,580.52 : 152,401.98 = 45,467.92 : x
  2. Step 2: Convert to fraction form
    101,580.52/152,401.98 = 45,467.92/x
  3. Step 3: Cross multiply
    101,580.52x = 152,401.98 × 45,467.92
  4. Step 4: Simplify right side
    101,580.52x = 6,929,401,034.48
  5. Step 5: Solve for x
    x = 6,929,401,034.48/101,580.52
  6. Step 6: Final answer
    x = 68,215.85

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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.