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Finding the Fourth Proportional to 188,626.10, 282,984.12 and 55,510.70

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Solution

The fourth proportional to 188,626.10, 282,984.12 and 55,510.70 is: 83,279.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,626.10 : 282,984.12 = 55,510.70 : x
  2. Step 2: Convert to fraction form
    188,626.10/282,984.12 = 55,510.70/x
  3. Step 3: Cross multiply
    188,626.10x = 282,984.12 × 55,510.70
  4. Step 4: Simplify right side
    188,626.10x = 15,708,645,175.16
  5. Step 5: Solve for x
    x = 15,708,645,175.16/188,626.10
  6. Step 6: Final answer
    x = 83,279.28

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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.