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Finding the Fourth Proportional to 188,223.59, 282,445.55 and 69,976.55

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Solution

The fourth proportional to 188,223.59, 282,445.55 and 69,976.55 is: 105,005.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,223.59 : 282,445.55 = 69,976.55 : x
  2. Step 2: Convert to fraction form
    188,223.59/282,445.55 = 69,976.55/x
  3. Step 3: Cross multiply
    188,223.59x = 282,445.55 × 69,976.55
  4. Step 4: Simplify right side
    188,223.59x = 19,764,565,151.85
  5. Step 5: Solve for x
    x = 19,764,565,151.85/188,223.59
  6. Step 6: Final answer
    x = 105,005.78

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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.