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Finding the Fourth Proportional to 247,840.92, 342,023.58 and 134,665.56

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Solution

The fourth proportional to 247,840.92, 342,023.58 and 134,665.56 is: 185,840.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,840.92 : 342,023.58 = 134,665.56 : x
  2. Step 2: Convert to fraction form
    247,840.92/342,023.58 = 134,665.56/x
  3. Step 3: Cross multiply
    247,840.92x = 342,023.58 × 134,665.56
  4. Step 4: Simplify right side
    247,840.92x = 46,058,796,933.90
  5. Step 5: Solve for x
    x = 46,058,796,933.90/247,840.92
  6. Step 6: Final answer
    x = 185,840.16

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1.5x scale

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.