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Finding the Fourth Proportional to 243,466.52, 335,977.52 and 136,037.43

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Solution

The fourth proportional to 243,466.52, 335,977.52 and 136,037.43 is: 187,728.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,466.52 : 335,977.52 = 136,037.43 : x
  2. Step 2: Convert to fraction form
    243,466.52/335,977.52 = 136,037.43/x
  3. Step 3: Cross multiply
    243,466.52x = 335,977.52 × 136,037.43
  4. Step 4: Simplify right side
    243,466.52x = 45,705,517,678.39
  5. Step 5: Solve for x
    x = 45,705,517,678.39/243,466.52
  6. Step 6: Final answer
    x = 187,728.15

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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.