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Finding the Fourth Proportional to 96,570.77, 144,877.01 and 39,644.78

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Solution

The fourth proportional to 96,570.77, 144,877.01 and 39,644.78 is: 59,475.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,570.77 : 144,877.01 = 39,644.78 : x
  2. Step 2: Convert to fraction form
    96,570.77/144,877.01 = 39,644.78/x
  3. Step 3: Cross multiply
    96,570.77x = 144,877.01 × 39,644.78
  4. Step 4: Simplify right side
    96,570.77x = 5,743,616,265.90
  5. Step 5: Solve for x
    x = 5,743,616,265.90/96,570.77
  6. Step 6: Final answer
    x = 59,475.73

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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.