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Finding the Fourth Proportional to 136,363.19, 188,020.19 and 93,363.53

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Solution

The fourth proportional to 136,363.19, 188,020.19 and 93,363.53 is: 128,731.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,363.19 : 188,020.19 = 93,363.53 : x
  2. Step 2: Convert to fraction form
    136,363.19/188,020.19 = 93,363.53/x
  3. Step 3: Cross multiply
    136,363.19x = 188,020.19 × 93,363.53
  4. Step 4: Simplify right side
    136,363.19x = 17,554,228,182.85
  5. Step 5: Solve for x
    x = 17,554,228,182.85/136,363.19
  6. Step 6: Final answer
    x = 128,731.43

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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.