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Finding the Fourth Proportional to 106,008.80, 159,012.08 and 27,122.40

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Solution

The fourth proportional to 106,008.80, 159,012.08 and 27,122.40 is: 40,683.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,008.80 : 159,012.08 = 27,122.40 : x
  2. Step 2: Convert to fraction form
    106,008.80/159,012.08 = 27,122.40/x
  3. Step 3: Cross multiply
    106,008.80x = 159,012.08 × 27,122.40
  4. Step 4: Simplify right side
    106,008.80x = 4,312,789,238.59
  5. Step 5: Solve for x
    x = 4,312,789,238.59/106,008.80
  6. Step 6: Final answer
    x = 40,683.31

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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.