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Finding the Fourth Proportional to 91,186.56, 125,867.52 and 53,460

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Solution

The fourth proportional to 91,186.56, 125,867.52 and 53,460 is: 73,792.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,186.56 : 125,867.52 = 53,460 : x
  2. Step 2: Convert to fraction form
    91,186.56/125,867.52 = 53,460/x
  3. Step 3: Cross multiply
    91,186.56x = 125,867.52 × 53,460
  4. Step 4: Simplify right side
    91,186.56x = 6,728,877,619.20
  5. Step 5: Solve for x
    x = 6,728,877,619.20/91,186.56
  6. Step 6: Final answer
    x = 73,792.43

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.