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Finding the Fourth Proportional to 175,501.60, 262,863.60 and 135,930.40

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Solution

The fourth proportional to 175,501.60, 262,863.60 and 135,930.40 is: 203,594.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,501.60 : 262,863.60 = 135,930.40 : x
  2. Step 2: Convert to fraction form
    175,501.60/262,863.60 = 135,930.40/x
  3. Step 3: Cross multiply
    175,501.60x = 262,863.60 × 135,930.40
  4. Step 4: Simplify right side
    175,501.60x = 35,731,154,293.44
  5. Step 5: Solve for x
    x = 35,731,154,293.44/175,501.60
  6. Step 6: Final answer
    x = 203,594.46

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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.