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Finding the Fourth Proportional to 188,551.40, 282,827.10 and 181,293.80

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Solution

The fourth proportional to 188,551.40, 282,827.10 and 181,293.80 is: 271,940.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,551.40 : 282,827.10 = 181,293.80 : x
  2. Step 2: Convert to fraction form
    188,551.40/282,827.10 = 181,293.80/x
  3. Step 3: Cross multiply
    188,551.40x = 282,827.10 × 181,293.80
  4. Step 4: Simplify right side
    188,551.40x = 51,274,799,701.98
  5. Step 5: Solve for x
    x = 51,274,799,701.98/188,551.40
  6. Step 6: Final answer
    x = 271,940.70

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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.