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Finding the Fourth Proportional to 74,847.49, 112,294.25 and 44,894.96

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Solution

The fourth proportional to 74,847.49, 112,294.25 and 44,894.96 is: 67,356.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,847.49 : 112,294.25 = 44,894.96 : x
  2. Step 2: Convert to fraction form
    74,847.49/112,294.25 = 44,894.96/x
  3. Step 3: Cross multiply
    74,847.49x = 112,294.25 × 44,894.96
  4. Step 4: Simplify right side
    74,847.49x = 5,041,445,665.49
  5. Step 5: Solve for x
    x = 5,041,445,665.49/74,847.49
  6. Step 6: Final answer
    x = 67,356.24

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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.