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Finding the Fourth Proportional to 122,924.63, 184,401.22 and 42,937.84

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Solution

The fourth proportional to 122,924.63, 184,401.22 and 42,937.84 is: 64,411.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,924.63 : 184,401.22 = 42,937.84 : x
  2. Step 2: Convert to fraction form
    122,924.63/184,401.22 = 42,937.84/x
  3. Step 3: Cross multiply
    122,924.63x = 184,401.22 × 42,937.84
  4. Step 4: Simplify right side
    122,924.63x = 7,917,790,080.16
  5. Step 5: Solve for x
    x = 7,917,790,080.16/122,924.63
  6. Step 6: Final answer
    x = 64,411.75

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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.