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Finding the Fourth Proportional to 144,352.54, 216,514.88 and 44,485.92

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Solution

The fourth proportional to 144,352.54, 216,514.88 and 44,485.92 is: 66,724.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,352.54 : 216,514.88 = 44,485.92 : x
  2. Step 2: Convert to fraction form
    144,352.54/216,514.88 = 44,485.92/x
  3. Step 3: Cross multiply
    144,352.54x = 216,514.88 × 44,485.92
  4. Step 4: Simplify right side
    144,352.54x = 9,631,863,630.49
  5. Step 5: Solve for x
    x = 9,631,863,630.49/144,352.54
  6. Step 6: Final answer
    x = 66,724.59

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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.