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Finding the Fourth Proportional to 247,940.52, 342,143.44 and 134,762.28

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Solution

The fourth proportional to 247,940.52, 342,143.44 and 134,762.28 is: 185,964.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,940.52 : 342,143.44 = 134,762.28 : x
  2. Step 2: Convert to fraction form
    247,940.52/342,143.44 = 134,762.28/x
  3. Step 3: Cross multiply
    247,940.52x = 342,143.44 × 134,762.28
  4. Step 4: Simplify right side
    247,940.52x = 46,108,030,061.44
  5. Step 5: Solve for x
    x = 46,108,030,061.44/247,940.52
  6. Step 6: Final answer
    x = 185,964.08

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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.