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Finding the Fourth Proportional to 167,287.32, 230,851.32 and 90,802.80

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Solution

The fourth proportional to 167,287.32, 230,851.32 and 90,802.80 is: 125,305.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,287.32 : 230,851.32 = 90,802.80 : x
  2. Step 2: Convert to fraction form
    167,287.32/230,851.32 = 90,802.80/x
  3. Step 3: Cross multiply
    167,287.32x = 230,851.32 × 90,802.80
  4. Step 4: Simplify right side
    167,287.32x = 20,961,946,239.70
  5. Step 5: Solve for x
    x = 20,961,946,239.70/167,287.32
  6. Step 6: Final answer
    x = 125,305.05

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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.