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Finding the Fourth Proportional to 100,852.63, 151,175.14 and 44,719.17

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Solution

The fourth proportional to 100,852.63, 151,175.14 and 44,719.17 is: 67,032.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,852.63 : 151,175.14 = 44,719.17 : x
  2. Step 2: Convert to fraction form
    100,852.63/151,175.14 = 44,719.17/x
  3. Step 3: Cross multiply
    100,852.63x = 151,175.14 × 44,719.17
  4. Step 4: Simplify right side
    100,852.63x = 6,760,426,785.43
  5. Step 5: Solve for x
    x = 6,760,426,785.43/100,852.63
  6. Step 6: Final answer
    x = 67,032.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.