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Finding the Fourth Proportional to 170,927.40, 256,391.10 and 151,244.40

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Solution

The fourth proportional to 170,927.40, 256,391.10 and 151,244.40 is: 226,866.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,927.40 : 256,391.10 = 151,244.40 : x
  2. Step 2: Convert to fraction form
    170,927.40/256,391.10 = 151,244.40/x
  3. Step 3: Cross multiply
    170,927.40x = 256,391.10 × 151,244.40
  4. Step 4: Simplify right side
    170,927.40x = 38,777,718,084.84
  5. Step 5: Solve for x
    x = 38,777,718,084.84/170,927.40
  6. Step 6: Final answer
    x = 226,866.60

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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.