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Finding the Fourth Proportional to 101,722.44, 152,556.28 and 42,545.84

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Solution

The fourth proportional to 101,722.44, 152,556.28 and 42,545.84 is: 63,807.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,722.44 : 152,556.28 = 42,545.84 : x
  2. Step 2: Convert to fraction form
    101,722.44/152,556.28 = 42,545.84/x
  3. Step 3: Cross multiply
    101,722.44x = 152,556.28 × 42,545.84
  4. Step 4: Simplify right side
    101,722.44x = 6,490,635,079.88
  5. Step 5: Solve for x
    x = 6,490,635,079.88/101,722.44
  6. Step 6: Final answer
    x = 63,807.31

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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.