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Finding the Fourth Proportional to 106,807.59, 160,220.49 and 27,921.69

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Solution

The fourth proportional to 106,807.59, 160,220.49 and 27,921.69 is: 41,884.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,807.59 : 160,220.49 = 27,921.69 : x
  2. Step 2: Convert to fraction form
    106,807.59/160,220.49 = 27,921.69/x
  3. Step 3: Cross multiply
    106,807.59x = 160,220.49 × 27,921.69
  4. Step 4: Simplify right side
    106,807.59x = 4,473,626,853.43
  5. Step 5: Solve for x
    x = 4,473,626,853.43/106,807.59
  6. Step 6: Final answer
    x = 41,884.92

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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.