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Finding the Fourth Proportional to 91,468.54, 137,202.81 and 60,296.50

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Solution

The fourth proportional to 91,468.54, 137,202.81 and 60,296.50 is: 90,444.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,468.54 : 137,202.81 = 60,296.50 : x
  2. Step 2: Convert to fraction form
    91,468.54/137,202.81 = 60,296.50/x
  3. Step 3: Cross multiply
    91,468.54x = 137,202.81 × 60,296.50
  4. Step 4: Simplify right side
    91,468.54x = 8,272,848,890.16
  5. Step 5: Solve for x
    x = 8,272,848,890.16/91,468.54
  6. Step 6: Final answer
    x = 90,444.75

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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.