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Finding the Fourth Proportional to 118,195.44, 163,106.48 and 64,480.44

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Solution

The fourth proportional to 118,195.44, 163,106.48 and 64,480.44 is: 88,981.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,195.44 : 163,106.48 = 64,480.44 : x
  2. Step 2: Convert to fraction form
    118,195.44/163,106.48 = 64,480.44/x
  3. Step 3: Cross multiply
    118,195.44x = 163,106.48 × 64,480.44
  4. Step 4: Simplify right side
    118,195.44x = 10,517,177,914.04
  5. Step 5: Solve for x
    x = 10,517,177,914.04/118,195.44
  6. Step 6: Final answer
    x = 88,981.25

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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.