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Finding the Fourth Proportional to 243,456.53, 335,945.39 and 167,041.40

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Solution

The fourth proportional to 243,456.53, 335,945.39 and 167,041.40 is: 230,500.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,456.53 : 335,945.39 = 167,041.40 : x
  2. Step 2: Convert to fraction form
    243,456.53/335,945.39 = 167,041.40/x
  3. Step 3: Cross multiply
    243,456.53x = 335,945.39 × 167,041.40
  4. Step 4: Simplify right side
    243,456.53x = 56,116,785,754.21
  5. Step 5: Solve for x
    x = 56,116,785,754.21/243,456.53
  6. Step 6: Final answer
    x = 230,500.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.