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Finding the Fourth Proportional to 188,231.80, 282,347.70 and 63,572.80

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Solution

The fourth proportional to 188,231.80, 282,347.70 and 63,572.80 is: 95,359.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,231.80 : 282,347.70 = 63,572.80 : x
  2. Step 2: Convert to fraction form
    188,231.80/282,347.70 = 63,572.80/x
  3. Step 3: Cross multiply
    188,231.80x = 282,347.70 × 63,572.80
  4. Step 4: Simplify right side
    188,231.80x = 17,949,633,862.56
  5. Step 5: Solve for x
    x = 17,949,633,862.56/188,231.80
  6. Step 6: Final answer
    x = 95,359.20

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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.