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Finding the Fourth Proportional to 101,911.96, 152,701.48 and 61,943.18

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Solution

The fourth proportional to 101,911.96, 152,701.48 and 61,943.18 is: 92,813.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,911.96 : 152,701.48 = 61,943.18 : x
  2. Step 2: Convert to fraction form
    101,911.96/152,701.48 = 61,943.18/x
  3. Step 3: Cross multiply
    101,911.96x = 152,701.48 × 61,943.18
  4. Step 4: Simplify right side
    101,911.96x = 9,458,815,261.91
  5. Step 5: Solve for x
    x = 9,458,815,261.91/101,911.96
  6. Step 6: Final answer
    x = 92,813.59

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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.