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Finding the Fourth Proportional to 144,539.44, 216,822.12 and 39,358.96

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Solution

The fourth proportional to 144,539.44, 216,822.12 and 39,358.96 is: 59,041.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,539.44 : 216,822.12 = 39,358.96 : x
  2. Step 2: Convert to fraction form
    144,539.44/216,822.12 = 39,358.96/x
  3. Step 3: Cross multiply
    144,539.44x = 216,822.12 × 39,358.96
  4. Step 4: Simplify right side
    144,539.44x = 8,533,893,148.20
  5. Step 5: Solve for x
    x = 8,533,893,148.20/144,539.44
  6. Step 6: Final answer
    x = 59,041.97

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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.