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Finding the Fourth Proportional to 148,287.89, 223,443.74 and 122,568.77

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Solution

The fourth proportional to 148,287.89, 223,443.74 and 122,568.77 is: 184,689.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,287.89 : 223,443.74 = 122,568.77 : x
  2. Step 2: Convert to fraction form
    148,287.89/223,443.74 = 122,568.77/x
  3. Step 3: Cross multiply
    148,287.89x = 223,443.74 × 122,568.77
  4. Step 4: Simplify right side
    148,287.89x = 27,387,224,376.00
  5. Step 5: Solve for x
    x = 27,387,224,376.00/148,287.89
  6. Step 6: Final answer
    x = 184,689.55

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.