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Finding the Fourth Proportional to 178,807.76, 246,761.32 and 98,244.40

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Solution

The fourth proportional to 178,807.76, 246,761.32 and 98,244.40 is: 135,580.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,807.76 : 246,761.32 = 98,244.40 : x
  2. Step 2: Convert to fraction form
    178,807.76/246,761.32 = 98,244.40/x
  3. Step 3: Cross multiply
    178,807.76x = 246,761.32 × 98,244.40
  4. Step 4: Simplify right side
    178,807.76x = 24,242,917,826.61
  5. Step 5: Solve for x
    x = 24,242,917,826.61/178,807.76
  6. Step 6: Final answer
    x = 135,580.90

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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.