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Finding the Fourth Proportional to 122,373.42, 183,560.14 and 43,490.76

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Solution

The fourth proportional to 122,373.42, 183,560.14 and 43,490.76 is: 65,236.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,373.42 : 183,560.14 = 43,490.76 : x
  2. Step 2: Convert to fraction form
    122,373.42/183,560.14 = 43,490.76/x
  3. Step 3: Cross multiply
    122,373.42x = 183,560.14 × 43,490.76
  4. Step 4: Simplify right side
    122,373.42x = 7,983,170,392.85
  5. Step 5: Solve for x
    x = 7,983,170,392.85/122,373.42
  6. Step 6: Final answer
    x = 65,236.15

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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.