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Finding the Fourth Proportional to 122,911.92, 184,387.32 and 44,024.40

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Solution

The fourth proportional to 122,911.92, 184,387.32 and 44,024.40 is: 66,043.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,911.92 : 184,387.32 = 44,024.40 : x
  2. Step 2: Convert to fraction form
    122,911.92/184,387.32 = 44,024.40/x
  3. Step 3: Cross multiply
    122,911.92x = 184,387.32 × 44,024.40
  4. Step 4: Simplify right side
    122,911.92x = 8,117,541,130.61
  5. Step 5: Solve for x
    x = 8,117,541,130.61/122,911.92
  6. Step 6: Final answer
    x = 66,043.56

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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.