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Finding the Fourth Proportional to 170,255.89, 234,840.64 and 106,482.97

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Solution

The fourth proportional to 170,255.89, 234,840.64 and 106,482.97 is: 146,876.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,255.89 : 234,840.64 = 106,482.97 : x
  2. Step 2: Convert to fraction form
    170,255.89/234,840.64 = 106,482.97/x
  3. Step 3: Cross multiply
    170,255.89x = 234,840.64 × 106,482.97
  4. Step 4: Simplify right side
    170,255.89x = 25,006,528,823.90
  5. Step 5: Solve for x
    x = 25,006,528,823.90/170,255.89
  6. Step 6: Final answer
    x = 146,876.15

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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.