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Finding the Fourth Proportional to 167,155.83, 230,673.63 and 90,674.73

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Solution

The fourth proportional to 167,155.83, 230,673.63 and 90,674.73 is: 125,130.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,155.83 : 230,673.63 = 90,674.73 : x
  2. Step 2: Convert to fraction form
    167,155.83/230,673.63 = 90,674.73/x
  3. Step 3: Cross multiply
    167,155.83x = 230,673.63 × 90,674.73
  4. Step 4: Simplify right side
    167,155.83x = 20,916,269,118.37
  5. Step 5: Solve for x
    x = 20,916,269,118.37/167,155.83
  6. Step 6: Final answer
    x = 125,130.36

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Double scale
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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.