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Finding the Fourth Proportional to 188,561.88, 282,768.84 and 70,168.44

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Solution

The fourth proportional to 188,561.88, 282,768.84 and 70,168.44 is: 105,225.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,561.88 : 282,768.84 = 70,168.44 : x
  2. Step 2: Convert to fraction form
    188,561.88/282,768.84 = 70,168.44/x
  3. Step 3: Cross multiply
    188,561.88x = 282,768.84 × 70,168.44
  4. Step 4: Simplify right side
    188,561.88x = 19,841,448,383.41
  5. Step 5: Solve for x
    x = 19,841,448,383.41/188,561.88
  6. Step 6: Final answer
    x = 105,225.13

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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.