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Finding the Fourth Proportional to 109,365.21, 150,923.97 and 59,064.21

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Solution

The fourth proportional to 109,365.21, 150,923.97 and 59,064.21 is: 81,508.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,365.21 : 150,923.97 = 59,064.21 : x
  2. Step 2: Convert to fraction form
    109,365.21/150,923.97 = 59,064.21/x
  3. Step 3: Cross multiply
    109,365.21x = 150,923.97 × 59,064.21
  4. Step 4: Simplify right side
    109,365.21x = 8,914,205,058.11
  5. Step 5: Solve for x
    x = 8,914,205,058.11/109,365.21
  6. Step 6: Final answer
    x = 81,508.60

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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.