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Finding the Fourth Proportional to 101,959.22, 140,726.21 and 56,652.77

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Solution

The fourth proportional to 101,959.22, 140,726.21 and 56,652.77 is: 78,193.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,959.22 : 140,726.21 = 56,652.77 : x
  2. Step 2: Convert to fraction form
    101,959.22/140,726.21 = 56,652.77/x
  3. Step 3: Cross multiply
    101,959.22x = 140,726.21 × 56,652.77
  4. Step 4: Simplify right side
    101,959.22x = 7,972,529,608.10
  5. Step 5: Solve for x
    x = 7,972,529,608.10/101,959.22
  6. Step 6: Final answer
    x = 78,193.32

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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.