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Finding the Fourth Proportional to 101,818.44, 152,666.28 and 45,648.36

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Solution

The fourth proportional to 101,818.44, 152,666.28 and 45,648.36 is: 68,445.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,818.44 : 152,666.28 = 45,648.36 : x
  2. Step 2: Convert to fraction form
    101,818.44/152,666.28 = 45,648.36/x
  3. Step 3: Cross multiply
    101,818.44x = 152,666.28 × 45,648.36
  4. Step 4: Simplify right side
    101,818.44x = 6,968,965,309.30
  5. Step 5: Solve for x
    x = 6,968,965,309.30/101,818.44
  6. Step 6: Final answer
    x = 68,445.02

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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.