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Finding the Fourth Proportional to 188,218.62, 282,065.22 and 104,019.12

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Solution

The fourth proportional to 188,218.62, 282,065.22 and 104,019.12 is: 155,883.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,218.62 : 282,065.22 = 104,019.12 : x
  2. Step 2: Convert to fraction form
    188,218.62/282,065.22 = 104,019.12/x
  3. Step 3: Cross multiply
    188,218.62x = 282,065.22 × 104,019.12
  4. Step 4: Simplify right side
    188,218.62x = 29,340,175,967.01
  5. Step 5: Solve for x
    x = 29,340,175,967.01/188,218.62
  6. Step 6: Final answer
    x = 155,883.49

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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.