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Finding the Fourth Proportional to 247,023.88, 340,893.20 and 133,846.63

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Solution

The fourth proportional to 247,023.88, 340,893.20 and 133,846.63 is: 184,708.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,023.88 : 340,893.20 = 133,846.63 : x
  2. Step 2: Convert to fraction form
    247,023.88/340,893.20 = 133,846.63/x
  3. Step 3: Cross multiply
    247,023.88x = 340,893.20 × 133,846.63
  4. Step 4: Simplify right side
    247,023.88x = 45,627,406,009.92
  5. Step 5: Solve for x
    x = 45,627,406,009.92/247,023.88
  6. Step 6: Final answer
    x = 184,708.48

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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.