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Finding the Fourth Proportional to 160,819.77, 241,238.31 and 42,487.88

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Solution

The fourth proportional to 160,819.77, 241,238.31 and 42,487.88 is: 63,734.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,819.77 : 241,238.31 = 42,487.88 : x
  2. Step 2: Convert to fraction form
    160,819.77/241,238.31 = 42,487.88/x
  3. Step 3: Cross multiply
    160,819.77x = 241,238.31 × 42,487.88
  4. Step 4: Simplify right side
    160,819.77x = 10,249,704,154.24
  5. Step 5: Solve for x
    x = 10,249,704,154.24/160,819.77
  6. Step 6: Final answer
    x = 63,734.11

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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.