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Finding the Fourth Proportional to 106,689.29, 160,043.07 and 27,803.39

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Solution

The fourth proportional to 106,689.29, 160,043.07 and 27,803.39 is: 41,707.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,689.29 : 160,043.07 = 27,803.39 : x
  2. Step 2: Convert to fraction form
    106,689.29/160,043.07 = 27,803.39/x
  3. Step 3: Cross multiply
    106,689.29x = 160,043.07 × 27,803.39
  4. Step 4: Simplify right side
    106,689.29x = 4,449,739,091.79
  5. Step 5: Solve for x
    x = 4,449,739,091.79/106,689.29
  6. Step 6: Final answer
    x = 41,707.46

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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.