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Finding the Fourth Proportional to 113,364.70, 170,047.05 and 34,479

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Solution

The fourth proportional to 113,364.70, 170,047.05 and 34,479 is: 51,718.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,364.70 : 170,047.05 = 34,479 : x
  2. Step 2: Convert to fraction form
    113,364.70/170,047.05 = 34,479/x
  3. Step 3: Cross multiply
    113,364.70x = 170,047.05 × 34,479
  4. Step 4: Simplify right side
    113,364.70x = 5,863,052,107.65
  5. Step 5: Solve for x
    x = 5,863,052,107.65/113,364.70
  6. Step 6: Final answer
    x = 51,718.50

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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.