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Finding the Fourth Proportional to 144,502.37, 216,815.82 and 60,279.11

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Solution

The fourth proportional to 144,502.37, 216,815.82 and 60,279.11 is: 90,444.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,502.37 : 216,815.82 = 60,279.11 : x
  2. Step 2: Convert to fraction form
    144,502.37/216,815.82 = 60,279.11/x
  3. Step 3: Cross multiply
    144,502.37x = 216,815.82 × 60,279.11
  4. Step 4: Simplify right side
    144,502.37x = 13,069,463,579.44
  5. Step 5: Solve for x
    x = 13,069,463,579.44/144,502.37
  6. Step 6: Final answer
    x = 90,444.63

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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.