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Finding the Fourth Proportional to 110,006.88, 151,824.24 and 65,297.76

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Solution

The fourth proportional to 110,006.88, 151,824.24 and 65,297.76 is: 90,119.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,006.88 : 151,824.24 = 65,297.76 : x
  2. Step 2: Convert to fraction form
    110,006.88/151,824.24 = 65,297.76/x
  3. Step 3: Cross multiply
    110,006.88x = 151,824.24 × 65,297.76
  4. Step 4: Simplify right side
    110,006.88x = 9,913,782,785.70
  5. Step 5: Solve for x
    x = 9,913,782,785.70/110,006.88
  6. Step 6: Final answer
    x = 90,119.66

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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.