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Finding the Fourth Proportional to 91,466.94, 137,200.42 and 60,294.90

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Solution

The fourth proportional to 91,466.94, 137,200.42 and 60,294.90 is: 90,442.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,466.94 : 137,200.42 = 60,294.90 : x
  2. Step 2: Convert to fraction form
    91,466.94/137,200.42 = 60,294.90/x
  3. Step 3: Cross multiply
    91,466.94x = 137,200.42 × 60,294.90
  4. Step 4: Simplify right side
    91,466.94x = 8,272,486,039.72
  5. Step 5: Solve for x
    x = 8,272,486,039.72/91,466.94
  6. Step 6: Final answer
    x = 90,442.36

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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.