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Finding the Fourth Proportional to 167,287.35, 230,850.29 and 90,804.80

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Solution

The fourth proportional to 167,287.35, 230,850.29 and 90,804.80 is: 125,307.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,287.35 : 230,850.29 = 90,804.80 : x
  2. Step 2: Convert to fraction form
    167,287.35/230,850.29 = 90,804.80/x
  3. Step 3: Cross multiply
    167,287.35x = 230,850.29 × 90,804.80
  4. Step 4: Simplify right side
    167,287.35x = 20,962,314,763.51
  5. Step 5: Solve for x
    x = 20,962,314,763.51/167,287.35
  6. Step 6: Final answer
    x = 125,307.23

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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.