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Finding the Fourth Proportional to 169,968.60, 255,098.70 and 75,344.40

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Solution

The fourth proportional to 169,968.60, 255,098.70 and 75,344.40 is: 113,081.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,968.60 : 255,098.70 = 75,344.40 : x
  2. Step 2: Convert to fraction form
    169,968.60/255,098.70 = 75,344.40/x
  3. Step 3: Cross multiply
    169,968.60x = 255,098.70 × 75,344.40
  4. Step 4: Simplify right side
    169,968.60x = 19,220,258,492.28
  5. Step 5: Solve for x
    x = 19,220,258,492.28/169,968.60
  6. Step 6: Final answer
    x = 113,081.23

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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.