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Finding the Fourth Proportional to 169,015.76, 233,288.28 and 101,079.44

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Solution

The fourth proportional to 169,015.76, 233,288.28 and 101,079.44 is: 139,517.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,015.76 : 233,288.28 = 101,079.44 : x
  2. Step 2: Convert to fraction form
    169,015.76/233,288.28 = 101,079.44/x
  3. Step 3: Cross multiply
    169,015.76x = 233,288.28 × 101,079.44
  4. Step 4: Simplify right side
    169,015.76x = 23,580,648,700.96
  5. Step 5: Solve for x
    x = 23,580,648,700.96/169,015.76
  6. Step 6: Final answer
    x = 139,517.46

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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.