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Finding the Fourth Proportional to 79,726.42, 110,027.20 and 45,734.68

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Solution

The fourth proportional to 79,726.42, 110,027.20 and 45,734.68 is: 63,116.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,726.42 : 110,027.20 = 45,734.68 : x
  2. Step 2: Convert to fraction form
    79,726.42/110,027.20 = 45,734.68/x
  3. Step 3: Cross multiply
    79,726.42x = 110,027.20 × 45,734.68
  4. Step 4: Simplify right side
    79,726.42x = 5,032,058,783.30
  5. Step 5: Solve for x
    x = 5,032,058,783.30/79,726.42
  6. Step 6: Final answer
    x = 63,116.58

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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.