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Finding the Fourth Proportional to 101,484.72, 152,241.66 and 31,369.50

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Solution

The fourth proportional to 101,484.72, 152,241.66 and 31,369.50 is: 47,058.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,484.72 : 152,241.66 = 31,369.50 : x
  2. Step 2: Convert to fraction form
    101,484.72/152,241.66 = 31,369.50/x
  3. Step 3: Cross multiply
    101,484.72x = 152,241.66 × 31,369.50
  4. Step 4: Simplify right side
    101,484.72x = 4,775,744,753.37
  5. Step 5: Solve for x
    x = 4,775,744,753.37/101,484.72
  6. Step 6: Final answer
    x = 47,058.76

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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.