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Finding the Fourth Proportional to 171,480.76, 236,121.96 and 152,081.80

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Solution

The fourth proportional to 171,480.76, 236,121.96 and 152,081.80 is: 209,410.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,480.76 : 236,121.96 = 152,081.80 : x
  2. Step 2: Convert to fraction form
    171,480.76/236,121.96 = 152,081.80/x
  3. Step 3: Cross multiply
    171,480.76x = 236,121.96 × 152,081.80
  4. Step 4: Simplify right side
    171,480.76x = 35,909,852,696.33
  5. Step 5: Solve for x
    x = 35,909,852,696.33/171,480.76
  6. Step 6: Final answer
    x = 209,410.39

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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.