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Finding the Fourth Proportional to 61,190.64, 91,750.15 and 34,525.17

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Solution

The fourth proportional to 61,190.64, 91,750.15 and 34,525.17 is: 51,767.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,190.64 : 91,750.15 = 34,525.17 : x
  2. Step 2: Convert to fraction form
    61,190.64/91,750.15 = 34,525.17/x
  3. Step 3: Cross multiply
    61,190.64x = 91,750.15 × 34,525.17
  4. Step 4: Simplify right side
    61,190.64x = 3,167,689,569.43
  5. Step 5: Solve for x
    x = 3,167,689,569.43/61,190.64
  6. Step 6: Final answer
    x = 51,767.55

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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.