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Finding the Fourth Proportional to 188,868.20, 283,302.29 and 64,209.20

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Solution

The fourth proportional to 188,868.20, 283,302.29 and 64,209.20 is: 96,313.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,868.20 : 283,302.29 = 64,209.20 : x
  2. Step 2: Convert to fraction form
    188,868.20/283,302.29 = 64,209.20/x
  3. Step 3: Cross multiply
    188,868.20x = 283,302.29 × 64,209.20
  4. Step 4: Simplify right side
    188,868.20x = 18,190,611,661.51
  5. Step 5: Solve for x
    x = 18,190,611,661.51/188,868.20
  6. Step 6: Final answer
    x = 96,313.79

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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.