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Finding the Fourth Proportional to 54,160.53, 81,210.78 and 22,162.08

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Solution

The fourth proportional to 54,160.53, 81,210.78 and 22,162.08 is: 33,230.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,160.53 : 81,210.78 = 22,162.08 : x
  2. Step 2: Convert to fraction form
    54,160.53/81,210.78 = 22,162.08/x
  3. Step 3: Cross multiply
    54,160.53x = 81,210.78 × 22,162.08
  4. Step 4: Simplify right side
    54,160.53x = 1,799,799,803.22
  5. Step 5: Solve for x
    x = 1,799,799,803.22/54,160.53
  6. Step 6: Final answer
    x = 33,230.84

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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.