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Finding the Fourth Proportional to 188,862.84, 260,626.01 and 107,206.34

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Solution

The fourth proportional to 188,862.84, 260,626.01 and 107,206.34 is: 147,942.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,862.84 : 260,626.01 = 107,206.34 : x
  2. Step 2: Convert to fraction form
    188,862.84/260,626.01 = 107,206.34/x
  3. Step 3: Cross multiply
    188,862.84x = 260,626.01 × 107,206.34
  4. Step 4: Simplify right side
    188,862.84x = 27,940,758,801.74
  5. Step 5: Solve for x
    x = 27,940,758,801.74/188,862.84
  6. Step 6: Final answer
    x = 147,942.07

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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.