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Finding the Fourth Proportional to 101,822.44, 152,672.28 and 45,652.40

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Solution

The fourth proportional to 101,822.44, 152,672.28 and 45,652.40 is: 68,451.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,822.44 : 152,672.28 = 45,652.40 : x
  2. Step 2: Convert to fraction form
    101,822.44/152,672.28 = 45,652.40/x
  3. Step 3: Cross multiply
    101,822.44x = 152,672.28 × 45,652.40
  4. Step 4: Simplify right side
    101,822.44x = 6,969,855,995.47
  5. Step 5: Solve for x
    x = 6,969,855,995.47/101,822.44
  6. Step 6: Final answer
    x = 68,451.08

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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.