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Finding the Fourth Proportional to 161,168.13, 241,751.91 and 42,839.46

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Solution

The fourth proportional to 161,168.13, 241,751.91 and 42,839.46 is: 64,259.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,168.13 : 241,751.91 = 42,839.46 : x
  2. Step 2: Convert to fraction form
    161,168.13/241,751.91 = 42,839.46/x
  3. Step 3: Cross multiply
    161,168.13x = 241,751.91 × 42,839.46
  4. Step 4: Simplify right side
    161,168.13x = 10,356,521,278.37
  5. Step 5: Solve for x
    x = 10,356,521,278.37/161,168.13
  6. Step 6: Final answer
    x = 64,259.11

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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.