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Finding the Fourth Proportional to 118,594.47, 163,664.24 and 64,879.49

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Solution

The fourth proportional to 118,594.47, 163,664.24 and 64,879.49 is: 89,535.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,594.47 : 163,664.24 = 64,879.49 : x
  2. Step 2: Convert to fraction form
    118,594.47/163,664.24 = 64,879.49/x
  3. Step 3: Cross multiply
    118,594.47x = 163,664.24 × 64,879.49
  4. Step 4: Simplify right side
    118,594.47x = 10,618,451,279.72
  5. Step 5: Solve for x
    x = 10,618,451,279.72/118,594.47
  6. Step 6: Final answer
    x = 89,535.80

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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.