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Finding the Fourth Proportional to 123,907.70, 185,757.06 and 53,734.16

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Solution

The fourth proportional to 123,907.70, 185,757.06 and 53,734.16 is: 80,555.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,907.70 : 185,757.06 = 53,734.16 : x
  2. Step 2: Convert to fraction form
    123,907.70/185,757.06 = 53,734.16/x
  3. Step 3: Cross multiply
    123,907.70x = 185,757.06 × 53,734.16
  4. Step 4: Simplify right side
    123,907.70x = 9,981,499,583.17
  5. Step 5: Solve for x
    x = 9,981,499,583.17/123,907.70
  6. Step 6: Final answer
    x = 80,555.93

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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.