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Finding the Fourth Proportional to 166,751.66, 230,117.04 and 90,270.38

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Solution

The fourth proportional to 166,751.66, 230,117.04 and 90,270.38 is: 124,572.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,751.66 : 230,117.04 = 90,270.38 : x
  2. Step 2: Convert to fraction form
    166,751.66/230,117.04 = 90,270.38/x
  3. Step 3: Cross multiply
    166,751.66x = 230,117.04 × 90,270.38
  4. Step 4: Simplify right side
    166,751.66x = 20,772,753,220.57
  5. Step 5: Solve for x
    x = 20,772,753,220.57/166,751.66
  6. Step 6: Final answer
    x = 124,572.99

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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.