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Finding the Fourth Proportional to 220,557.66, 330,810.18 and 60,649.84

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Solution

The fourth proportional to 220,557.66, 330,810.18 and 60,649.84 is: 90,967.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,557.66 : 330,810.18 = 60,649.84 : x
  2. Step 2: Convert to fraction form
    220,557.66/330,810.18 = 60,649.84/x
  3. Step 3: Cross multiply
    220,557.66x = 330,810.18 × 60,649.84
  4. Step 4: Simplify right side
    220,557.66x = 20,063,583,660.35
  5. Step 5: Solve for x
    x = 20,063,583,660.35/220,557.66
  6. Step 6: Final answer
    x = 90,967.52

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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.