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Finding the Fourth Proportional to 118,183.19, 163,092.54 and 64,468.21

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Solution

The fourth proportional to 118,183.19, 163,092.54 and 64,468.21 is: 88,965.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,183.19 : 163,092.54 = 64,468.21 : x
  2. Step 2: Convert to fraction form
    118,183.19/163,092.54 = 64,468.21/x
  3. Step 3: Cross multiply
    118,183.19x = 163,092.54 × 64,468.21
  4. Step 4: Simplify right side
    118,183.19x = 10,514,284,118.15
  5. Step 5: Solve for x
    x = 10,514,284,118.15/118,183.19
  6. Step 6: Final answer
    x = 88,965.99

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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.