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Finding the Fourth Proportional to 141,183.90, 211,581.45 and 93,663.90

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Solution

The fourth proportional to 141,183.90, 211,581.45 and 93,663.90 is: 140,366.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,183.90 : 211,581.45 = 93,663.90 : x
  2. Step 2: Convert to fraction form
    141,183.90/211,581.45 = 93,663.90/x
  3. Step 3: Cross multiply
    141,183.90x = 211,581.45 × 93,663.90
  4. Step 4: Simplify right side
    141,183.90x = 19,817,543,774.66
  5. Step 5: Solve for x
    x = 19,817,543,774.66/141,183.90
  6. Step 6: Final answer
    x = 140,366.88

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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.