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Finding the Fourth Proportional to 188,510.01, 259,876.12 and 149,931.33

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Solution

The fourth proportional to 188,510.01, 259,876.12 and 149,931.33 is: 206,692.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,510.01 : 259,876.12 = 149,931.33 : x
  2. Step 2: Convert to fraction form
    188,510.01/259,876.12 = 149,931.33/x
  3. Step 3: Cross multiply
    188,510.01x = 259,876.12 × 149,931.33
  4. Step 4: Simplify right side
    188,510.01x = 38,963,572,306.84
  5. Step 5: Solve for x
    x = 38,963,572,306.84/188,510.01
  6. Step 6: Final answer
    x = 206,692.33

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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.