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Finding the Fourth Proportional to 170,250.60, 254,915.10 and 133,386.60

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Solution

The fourth proportional to 170,250.60, 254,915.10 and 133,386.60 is: 199,718.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,250.60 : 254,915.10 = 133,386.60 : x
  2. Step 2: Convert to fraction form
    170,250.60/254,915.10 = 133,386.60/x
  3. Step 3: Cross multiply
    170,250.60x = 254,915.10 × 133,386.60
  4. Step 4: Simplify right side
    170,250.60x = 34,002,258,477.66
  5. Step 5: Solve for x
    x = 34,002,258,477.66/170,250.60
  6. Step 6: Final answer
    x = 199,718.88

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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.