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Finding the Fourth Proportional to 183,886.52, 275,315.87 and 99,343.78

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Solution

The fourth proportional to 183,886.52, 275,315.87 and 99,343.78 is: 148,738.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,886.52 : 275,315.87 = 99,343.78 : x
  2. Step 2: Convert to fraction form
    183,886.52/275,315.87 = 99,343.78/x
  3. Step 3: Cross multiply
    183,886.52x = 275,315.87 × 99,343.78
  4. Step 4: Simplify right side
    183,886.52x = 27,350,919,219.79
  5. Step 5: Solve for x
    x = 27,350,919,219.79/183,886.52
  6. Step 6: Final answer
    x = 148,738.03

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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.