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Finding the Fourth Proportional to 188,381.52, 260,196.48 and 140,845.68

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Solution

The fourth proportional to 188,381.52, 260,196.48 and 140,845.68 is: 194,538.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,381.52 : 260,196.48 = 140,845.68 : x
  2. Step 2: Convert to fraction form
    188,381.52/260,196.48 = 140,845.68/x
  3. Step 3: Cross multiply
    188,381.52x = 260,196.48 × 140,845.68
  4. Step 4: Simplify right side
    188,381.52x = 36,647,550,159.21
  5. Step 5: Solve for x
    x = 36,647,550,159.21/188,381.52
  6. Step 6: Final answer
    x = 194,538.99

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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.