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Finding the Fourth Proportional to 133,224.48, 183,844.08 and 72,794.16

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Solution

The fourth proportional to 133,224.48, 183,844.08 and 72,794.16 is: 100,452.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,224.48 : 183,844.08 = 72,794.16 : x
  2. Step 2: Convert to fraction form
    133,224.48/183,844.08 = 72,794.16/x
  3. Step 3: Cross multiply
    133,224.48x = 183,844.08 × 72,794.16
  4. Step 4: Simplify right side
    133,224.48x = 13,382,775,374.57
  5. Step 5: Solve for x
    x = 13,382,775,374.57/133,224.48
  6. Step 6: Final answer
    x = 100,452.82

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.