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Finding the Fourth Proportional to 188,022.40, 282,494.40 and 141,366.40

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Solution

The fourth proportional to 188,022.40, 282,494.40 and 141,366.40 is: 212,396.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,022.40 : 282,494.40 = 141,366.40 : x
  2. Step 2: Convert to fraction form
    188,022.40/282,494.40 = 141,366.40/x
  3. Step 3: Cross multiply
    188,022.40x = 282,494.40 × 141,366.40
  4. Step 4: Simplify right side
    188,022.40x = 39,935,216,348.16
  5. Step 5: Solve for x
    x = 39,935,216,348.16/188,022.40
  6. Step 6: Final answer
    x = 212,396.06

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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.