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Finding the Fourth Proportional to 74,559.92, 111,746.31 and 44,596.31

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Solution

The fourth proportional to 74,559.92, 111,746.31 and 44,596.31 is: 66,838.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,559.92 : 111,746.31 = 44,596.31 : x
  2. Step 2: Convert to fraction form
    74,559.92/111,746.31 = 44,596.31/x
  3. Step 3: Cross multiply
    74,559.92x = 111,746.31 × 44,596.31
  4. Step 4: Simplify right side
    74,559.92x = 4,983,473,082.12
  5. Step 5: Solve for x
    x = 4,983,473,082.12/74,559.92
  6. Step 6: Final answer
    x = 66,838.50

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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.