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Finding the Fourth Proportional to 144,050.96, 216,050.31 and 38,845.32

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Solution

The fourth proportional to 144,050.96, 216,050.31 and 38,845.32 is: 58,260.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,050.96 : 216,050.31 = 38,845.32 : x
  2. Step 2: Convert to fraction form
    144,050.96/216,050.31 = 38,845.32/x
  3. Step 3: Cross multiply
    144,050.96x = 216,050.31 × 38,845.32
  4. Step 4: Simplify right side
    144,050.96x = 8,392,543,428.05
  5. Step 5: Solve for x
    x = 8,392,543,428.05/144,050.96
  6. Step 6: Final answer
    x = 58,260.94

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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.