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Finding the Fourth Proportional to 91,497.54, 137,167.32 and 35,376.96

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Solution

The fourth proportional to 91,497.54, 137,167.32 and 35,376.96 is: 53,034.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,497.54 : 137,167.32 = 35,376.96 : x
  2. Step 2: Convert to fraction form
    91,497.54/137,167.32 = 35,376.96/x
  3. Step 3: Cross multiply
    91,497.54x = 137,167.32 × 35,376.96
  4. Step 4: Simplify right side
    91,497.54x = 4,852,562,792.95
  5. Step 5: Solve for x
    x = 4,852,562,792.95/91,497.54
  6. Step 6: Final answer
    x = 53,034.90

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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.