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Finding the Fourth Proportional to 247,841.37, 342,023.18 and 134,664.12

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Solution

The fourth proportional to 247,841.37, 342,023.18 and 134,664.12 is: 185,837.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,841.37 : 342,023.18 = 134,664.12 : x
  2. Step 2: Convert to fraction form
    247,841.37/342,023.18 = 134,664.12/x
  3. Step 3: Cross multiply
    247,841.37x = 342,023.18 × 134,664.12
  4. Step 4: Simplify right side
    247,841.37x = 46,058,249,880.98
  5. Step 5: Solve for x
    x = 46,058,249,880.98/247,841.37
  6. Step 6: Final answer
    x = 185,837.62

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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.