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Finding the Fourth Proportional to 167,150.66, 230,666.52 and 90,669.56

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Solution

The fourth proportional to 167,150.66, 230,666.52 and 90,669.56 is: 125,123.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,150.66 : 230,666.52 = 90,669.56 : x
  2. Step 2: Convert to fraction form
    167,150.66/230,666.52 = 90,669.56/x
  3. Step 3: Cross multiply
    167,150.66x = 230,666.52 × 90,669.56
  4. Step 4: Simplify right side
    167,150.66x = 20,914,431,875.13
  5. Step 5: Solve for x
    x = 20,914,431,875.13/167,150.66
  6. Step 6: Final answer
    x = 125,123.24

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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.