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Finding the Fourth Proportional to 114,486.56, 171,681.24 and 61,881.92

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Solution

The fourth proportional to 114,486.56, 171,681.24 and 61,881.92 is: 92,796.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,486.56 : 171,681.24 = 61,881.92 : x
  2. Step 2: Convert to fraction form
    114,486.56/171,681.24 = 61,881.92/x
  3. Step 3: Cross multiply
    114,486.56x = 171,681.24 × 61,881.92
  4. Step 4: Simplify right side
    114,486.56x = 10,623,964,759.18
  5. Step 5: Solve for x
    x = 10,623,964,759.18/114,486.56
  6. Step 6: Final answer
    x = 92,796.61

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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.