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Finding the Fourth Proportional to 160,977.80, 241,576.05 and 89,900.30

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Solution

The fourth proportional to 160,977.80, 241,576.05 and 89,900.30 is: 134,911.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,977.80 : 241,576.05 = 89,900.30 : x
  2. Step 2: Convert to fraction form
    160,977.80/241,576.05 = 89,900.30/x
  3. Step 3: Cross multiply
    160,977.80x = 241,576.05 × 89,900.30
  4. Step 4: Simplify right side
    160,977.80x = 21,717,759,367.82
  5. Step 5: Solve for x
    x = 21,717,759,367.82/160,977.80
  6. Step 6: Final answer
    x = 134,911.52

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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.