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Finding the Fourth Proportional to 106,528.65, 159,751.44 and 39,932.44

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Solution

The fourth proportional to 106,528.65, 159,751.44 and 39,932.44 is: 59,883.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,528.65 : 159,751.44 = 39,932.44 : x
  2. Step 2: Convert to fraction form
    106,528.65/159,751.44 = 39,932.44/x
  3. Step 3: Cross multiply
    106,528.65x = 159,751.44 × 39,932.44
  4. Step 4: Simplify right side
    106,528.65x = 6,379,264,393.34
  5. Step 5: Solve for x
    x = 6,379,264,393.34/106,528.65
  6. Step 6: Final answer
    x = 59,883.09

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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.