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Finding the Fourth Proportional to 117,936, 176,904 and 34,836.48

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Solution

The fourth proportional to 117,936, 176,904 and 34,836.48 is: 52,254.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,936 : 176,904 = 34,836.48 : x
  2. Step 2: Convert to fraction form
    117,936/176,904 = 34,836.48/x
  3. Step 3: Cross multiply
    117,936x = 176,904 × 34,836.48
  4. Step 4: Simplify right side
    117,936x = 6,162,712,657.92
  5. Step 5: Solve for x
    x = 6,162,712,657.92/117,936
  6. Step 6: Final answer
    x = 52,254.72

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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.