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Finding the Fourth Proportional to 106,998.50, 160,437.72 and 73,302.58

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Solution

The fourth proportional to 106,998.50, 160,437.72 and 73,302.58 is: 109,912.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,998.50 : 160,437.72 = 73,302.58 : x
  2. Step 2: Convert to fraction form
    106,998.50/160,437.72 = 73,302.58/x
  3. Step 3: Cross multiply
    106,998.50x = 160,437.72 × 73,302.58
  4. Step 4: Simplify right side
    106,998.50x = 11,760,498,805.32
  5. Step 5: Solve for x
    x = 11,760,498,805.32/106,998.50
  6. Step 6: Final answer
    x = 109,912.74

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1.5x scale

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.