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Finding the Fourth Proportional to 118,570.29, 163,580.22 and 73,169.16

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Solution

The fourth proportional to 118,570.29, 163,580.22 and 73,169.16 is: 100,944.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,570.29 : 163,580.22 = 73,169.16 : x
  2. Step 2: Convert to fraction form
    118,570.29/163,580.22 = 73,169.16/x
  3. Step 3: Cross multiply
    118,570.29x = 163,580.22 × 73,169.16
  4. Step 4: Simplify right side
    118,570.29x = 11,969,027,290.02
  5. Step 5: Solve for x
    x = 11,969,027,290.02/118,570.29
  6. Step 6: Final answer
    x = 100,944.57

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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.