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Finding the Fourth Proportional to 113,253.12, 169,880.08 and 34,368

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Solution

The fourth proportional to 113,253.12, 169,880.08 and 34,368 is: 51,552.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,253.12 : 169,880.08 = 34,368 : x
  2. Step 2: Convert to fraction form
    113,253.12/169,880.08 = 34,368/x
  3. Step 3: Cross multiply
    113,253.12x = 169,880.08 × 34,368
  4. Step 4: Simplify right side
    113,253.12x = 5,838,438,589.44
  5. Step 5: Solve for x
    x = 5,838,438,589.44/113,253.12
  6. Step 6: Final answer
    x = 51,552.12

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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.