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Finding the Fourth Proportional to 91,328.22, 136,801.05 and 73,462.38

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Solution

The fourth proportional to 91,328.22, 136,801.05 and 73,462.38 is: 110,039.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,328.22 : 136,801.05 = 73,462.38 : x
  2. Step 2: Convert to fraction form
    91,328.22/136,801.05 = 73,462.38/x
  3. Step 3: Cross multiply
    91,328.22x = 136,801.05 × 73,462.38
  4. Step 4: Simplify right side
    91,328.22x = 10,049,730,719.50
  5. Step 5: Solve for x
    x = 10,049,730,719.50/91,328.22
  6. Step 6: Final answer
    x = 110,039.71

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.