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Finding the Fourth Proportional to 61,158.51, 91,727.93 and 16,774.97

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Solution

The fourth proportional to 61,158.51, 91,727.93 and 16,774.97 is: 25,159.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,158.51 : 91,727.93 = 16,774.97 : x
  2. Step 2: Convert to fraction form
    61,158.51/91,727.93 = 16,774.97/x
  3. Step 3: Cross multiply
    61,158.51x = 91,727.93 × 16,774.97
  4. Step 4: Simplify right side
    61,158.51x = 1,538,732,731.40
  5. Step 5: Solve for x
    x = 1,538,732,731.40/61,158.51
  6. Step 6: Final answer
    x = 25,159.75

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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.