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Finding the Fourth Proportional to 166,809.69, 230,253.51 and 101,398.28

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Solution

The fourth proportional to 166,809.69, 230,253.51 and 101,398.28 is: 139,963.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,809.69 : 230,253.51 = 101,398.28 : x
  2. Step 2: Convert to fraction form
    166,809.69/230,253.51 = 101,398.28/x
  3. Step 3: Cross multiply
    166,809.69x = 230,253.51 × 101,398.28
  4. Step 4: Simplify right side
    166,809.69x = 23,347,309,302.33
  5. Step 5: Solve for x
    x = 23,347,309,302.33/166,809.69
  6. Step 6: Final answer
    x = 139,963.75

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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.