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Finding the Fourth Proportional to 170,886.70, 256,334.10 and 52,559.11

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Solution

The fourth proportional to 170,886.70, 256,334.10 and 52,559.11 is: 78,839.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,886.70 : 256,334.10 = 52,559.11 : x
  2. Step 2: Convert to fraction form
    170,886.70/256,334.10 = 52,559.11/x
  3. Step 3: Cross multiply
    170,886.70x = 256,334.10 × 52,559.11
  4. Step 4: Simplify right side
    170,886.70x = 13,472,692,158.65
  5. Step 5: Solve for x
    x = 13,472,692,158.65/170,886.70
  6. Step 6: Final answer
    x = 78,839.91

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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.