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Finding the Fourth Proportional to 144,043.85, 216,057.61 and 44,203.79

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Solution

The fourth proportional to 144,043.85, 216,057.61 and 44,203.79 is: 66,303.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,043.85 : 216,057.61 = 44,203.79 : x
  2. Step 2: Convert to fraction form
    144,043.85/216,057.61 = 44,203.79/x
  3. Step 3: Cross multiply
    144,043.85x = 216,057.61 × 44,203.79
  4. Step 4: Simplify right side
    144,043.85x = 9,550,565,815.74
  5. Step 5: Solve for x
    x = 9,550,565,815.74/144,043.85
  6. Step 6: Final answer
    x = 66,303.18

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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.