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Finding the Fourth Proportional to 183,886.02, 275,315.12 and 99,343.28

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Solution

The fourth proportional to 183,886.02, 275,315.12 and 99,343.28 is: 148,737.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,886.02 : 275,315.12 = 99,343.28 : x
  2. Step 2: Convert to fraction form
    183,886.02/275,315.12 = 99,343.28/x
  3. Step 3: Cross multiply
    183,886.02x = 275,315.12 × 99,343.28
  4. Step 4: Simplify right side
    183,886.02x = 27,350,707,054.39
  5. Step 5: Solve for x
    x = 27,350,707,054.39/183,886.02
  6. Step 6: Final answer
    x = 148,737.28

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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.