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Finding the Fourth Proportional to 160,698.87, 241,020.90 and 42,371.37

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Solution

The fourth proportional to 160,698.87, 241,020.90 and 42,371.37 is: 63,549.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,698.87 : 241,020.90 = 42,371.37 : x
  2. Step 2: Convert to fraction form
    160,698.87/241,020.90 = 42,371.37/x
  3. Step 3: Cross multiply
    160,698.87x = 241,020.90 × 42,371.37
  4. Step 4: Simplify right side
    160,698.87x = 10,212,385,731.63
  5. Step 5: Solve for x
    x = 10,212,385,731.63/160,698.87
  6. Step 6: Final answer
    x = 63,549.83

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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.