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Finding the Fourth Proportional to 118,167.44, 163,086.72 and 75,150.98

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Solution

The fourth proportional to 118,167.44, 163,086.72 and 75,150.98 is: 103,718.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,167.44 : 163,086.72 = 75,150.98 : x
  2. Step 2: Convert to fraction form
    118,167.44/163,086.72 = 75,150.98/x
  3. Step 3: Cross multiply
    118,167.44x = 163,086.72 × 75,150.98
  4. Step 4: Simplify right side
    118,167.44x = 12,256,126,832.99
  5. Step 5: Solve for x
    x = 12,256,126,832.99/118,167.44
  6. Step 6: Final answer
    x = 103,718.31

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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.