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Finding the Fourth Proportional to 120,750.71, 166,633.44 and 67,032.51

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Solution

The fourth proportional to 120,750.71, 166,633.44 and 67,032.51 is: 92,503.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,750.71 : 166,633.44 = 67,032.51 : x
  2. Step 2: Convert to fraction form
    120,750.71/166,633.44 = 67,032.51/x
  3. Step 3: Cross multiply
    120,750.71x = 166,633.44 × 67,032.51
  4. Step 4: Simplify right side
    120,750.71x = 11,169,857,733.13
  5. Step 5: Solve for x
    x = 11,169,857,733.13/120,750.71
  6. Step 6: Final answer
    x = 92,503.46

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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.