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Finding the Fourth Proportional to 137,880.48, 206,840.28 and 44,364.48

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Solution

The fourth proportional to 137,880.48, 206,840.28 and 44,364.48 is: 66,553.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,880.48 : 206,840.28 = 44,364.48 : x
  2. Step 2: Convert to fraction form
    137,880.48/206,840.28 = 44,364.48/x
  3. Step 3: Cross multiply
    137,880.48x = 206,840.28 × 44,364.48
  4. Step 4: Simplify right side
    137,880.48x = 9,176,361,465.25
  5. Step 5: Solve for x
    x = 9,176,361,465.25/137,880.48
  6. Step 6: Final answer
    x = 66,553.01

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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.