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Finding the Fourth Proportional to 167,006, 230,471.25 and 90,527.60

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Solution

The fourth proportional to 167,006, 230,471.25 and 90,527.60 is: 124,929.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,006 : 230,471.25 = 90,527.60 : x
  2. Step 2: Convert to fraction form
    167,006/230,471.25 = 90,527.60/x
  3. Step 3: Cross multiply
    167,006x = 230,471.25 × 90,527.60
  4. Step 4: Simplify right side
    167,006x = 20,864,009,131.50
  5. Step 5: Solve for x
    x = 20,864,009,131.50/167,006
  6. Step 6: Final answer
    x = 124,929.70

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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.