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Finding the Fourth Proportional to 161,164.80, 241,724.84 and 42,845.76

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Solution

The fourth proportional to 161,164.80, 241,724.84 and 42,845.76 is: 64,262.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,164.80 : 241,724.84 = 42,845.76 : x
  2. Step 2: Convert to fraction form
    161,164.80/241,724.84 = 42,845.76/x
  3. Step 3: Cross multiply
    161,164.80x = 241,724.84 × 42,845.76
  4. Step 4: Simplify right side
    161,164.80x = 10,356,884,480.68
  5. Step 5: Solve for x
    x = 10,356,884,480.68/161,164.80
  6. Step 6: Final answer
    x = 64,262.70

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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.