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Finding the Fourth Proportional to 187,757.51, 281,602.61 and 52,789.22

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Solution

The fourth proportional to 187,757.51, 281,602.61 and 52,789.22 is: 79,174.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,757.51 : 281,602.61 = 52,789.22 : x
  2. Step 2: Convert to fraction form
    187,757.51/281,602.61 = 52,789.22/x
  3. Step 3: Cross multiply
    187,757.51x = 281,602.61 × 52,789.22
  4. Step 4: Simplify right side
    187,757.51x = 14,865,580,459.91
  5. Step 5: Solve for x
    x = 14,865,580,459.91/187,757.51
  6. Step 6: Final answer
    x = 79,174.36

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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.