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Finding the Fourth Proportional to 92,933.30, 139,409.22 and 29,737.50

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Solution

The fourth proportional to 92,933.30, 139,409.22 and 29,737.50 is: 44,609.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,933.30 : 139,409.22 = 29,737.50 : x
  2. Step 2: Convert to fraction form
    92,933.30/139,409.22 = 29,737.50/x
  3. Step 3: Cross multiply
    92,933.30x = 139,409.22 × 29,737.50
  4. Step 4: Simplify right side
    92,933.30x = 4,145,681,679.75
  5. Step 5: Solve for x
    x = 4,145,681,679.75/92,933.30
  6. Step 6: Final answer
    x = 44,609.22

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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.