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Finding the Fourth Proportional to 187,989.80, 282,023.10 and 63,343.40

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Solution

The fourth proportional to 187,989.80, 282,023.10 and 63,343.40 is: 95,028.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,989.80 : 282,023.10 = 63,343.40 : x
  2. Step 2: Convert to fraction form
    187,989.80/282,023.10 = 63,343.40/x
  3. Step 3: Cross multiply
    187,989.80x = 282,023.10 × 63,343.40
  4. Step 4: Simplify right side
    187,989.80x = 17,864,302,032.54
  5. Step 5: Solve for x
    x = 17,864,302,032.54/187,989.80
  6. Step 6: Final answer
    x = 95,028.04

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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.