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Finding the Fourth Proportional to 122,073.16, 183,203.44 and 54,626.08

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Solution

The fourth proportional to 122,073.16, 183,203.44 and 54,626.08 is: 81,981.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,073.16 : 183,203.44 = 54,626.08 : x
  2. Step 2: Convert to fraction form
    122,073.16/183,203.44 = 54,626.08/x
  3. Step 3: Cross multiply
    122,073.16x = 183,203.44 × 54,626.08
  4. Step 4: Simplify right side
    122,073.16x = 10,007,685,769.72
  5. Step 5: Solve for x
    x = 10,007,685,769.72/122,073.16
  6. Step 6: Final answer
    x = 81,981.05

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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.