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Finding the Fourth Proportional to 137,215.01, 205,740.50 and 52,905.26

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Solution

The fourth proportional to 137,215.01, 205,740.50 and 52,905.26 is: 79,326.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,215.01 : 205,740.50 = 52,905.26 : x
  2. Step 2: Convert to fraction form
    137,215.01/205,740.50 = 52,905.26/x
  3. Step 3: Cross multiply
    137,215.01x = 205,740.50 × 52,905.26
  4. Step 4: Simplify right side
    137,215.01x = 10,884,753,351.80
  5. Step 5: Solve for x
    x = 10,884,753,351.80/137,215.01
  6. Step 6: Final answer
    x = 79,326.26

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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.