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Finding the Fourth Proportional to 122,929.92, 184,310.64 and 44,042.40

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Solution

The fourth proportional to 122,929.92, 184,310.64 and 44,042.40 is: 66,033.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,929.92 : 184,310.64 = 44,042.40 : x
  2. Step 2: Convert to fraction form
    122,929.92/184,310.64 = 44,042.40/x
  3. Step 3: Cross multiply
    122,929.92x = 184,310.64 × 44,042.40
  4. Step 4: Simplify right side
    122,929.92x = 8,117,482,931.14
  5. Step 5: Solve for x
    x = 8,117,482,931.14/122,929.92
  6. Step 6: Final answer
    x = 66,033.42

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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.