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Finding the Fourth Proportional to 188,383.52, 260,199.24 and 140,847.68

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Solution

The fourth proportional to 188,383.52, 260,199.24 and 140,847.68 is: 194,541.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,383.52 : 260,199.24 = 140,847.68 : x
  2. Step 2: Convert to fraction form
    188,383.52/260,199.24 = 140,847.68/x
  3. Step 3: Cross multiply
    188,383.52x = 260,199.24 × 140,847.68
  4. Step 4: Simplify right side
    188,383.52x = 36,648,459,291.76
  5. Step 5: Solve for x
    x = 36,648,459,291.76/188,383.52
  6. Step 6: Final answer
    x = 194,541.75

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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.