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Finding the Fourth Proportional to 122,460.35, 183,463.73 and 69,713.15

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Solution

The fourth proportional to 122,460.35, 183,463.73 and 69,713.15 is: 104,440.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,460.35 : 183,463.73 = 69,713.15 : x
  2. Step 2: Convert to fraction form
    122,460.35/183,463.73 = 69,713.15/x
  3. Step 3: Cross multiply
    122,460.35x = 183,463.73 × 69,713.15
  4. Step 4: Simplify right side
    122,460.35x = 12,789,834,180.48
  5. Step 5: Solve for x
    x = 12,789,834,180.48/122,460.35
  6. Step 6: Final answer
    x = 104,440.61

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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.