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Finding the Fourth Proportional to 136,283.57, 188,020.88 and 136,073.39

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Solution

The fourth proportional to 136,283.57, 188,020.88 and 136,073.39 is: 187,730.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,283.57 : 188,020.88 = 136,073.39 : x
  2. Step 2: Convert to fraction form
    136,283.57/188,020.88 = 136,073.39/x
  3. Step 3: Cross multiply
    136,283.57x = 188,020.88 × 136,073.39
  4. Step 4: Simplify right side
    136,283.57x = 25,584,636,911.91
  5. Step 5: Solve for x
    x = 25,584,636,911.91/136,283.57
  6. Step 6: Final answer
    x = 187,730.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.