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Finding the Fourth Proportional to 167,333.40, 230,918.80 and 90,850.98

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Solution

The fourth proportional to 167,333.40, 230,918.80 and 90,850.98 is: 125,373.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,333.40 : 230,918.80 = 90,850.98 : x
  2. Step 2: Convert to fraction form
    167,333.40/230,918.80 = 90,850.98/x
  3. Step 3: Cross multiply
    167,333.40x = 230,918.80 × 90,850.98
  4. Step 4: Simplify right side
    167,333.40x = 20,979,199,280.42
  5. Step 5: Solve for x
    x = 20,979,199,280.42/167,333.40
  6. Step 6: Final answer
    x = 125,373.65

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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.