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Finding the Fourth Proportional to 178,952.11, 246,950.64 and 98,378.91

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Solution

The fourth proportional to 178,952.11, 246,950.64 and 98,378.91 is: 135,761.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,952.11 : 246,950.64 = 98,378.91 : x
  2. Step 2: Convert to fraction form
    178,952.11/246,950.64 = 98,378.91/x
  3. Step 3: Cross multiply
    178,952.11x = 246,950.64 × 98,378.91
  4. Step 4: Simplify right side
    178,952.11x = 24,294,734,787.00
  5. Step 5: Solve for x
    x = 24,294,734,787.00/178,952.11
  6. Step 6: Final answer
    x = 135,761.10

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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.