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Finding the Fourth Proportional to 100,971.46, 151,502.82 and 44,063.02

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Solution

The fourth proportional to 100,971.46, 151,502.82 and 44,063.02 is: 66,114.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,971.46 : 151,502.82 = 44,063.02 : x
  2. Step 2: Convert to fraction form
    100,971.46/151,502.82 = 44,063.02/x
  3. Step 3: Cross multiply
    100,971.46x = 151,502.82 × 44,063.02
  4. Step 4: Simplify right side
    100,971.46x = 6,675,671,787.72
  5. Step 5: Solve for x
    x = 6,675,671,787.72/100,971.46
  6. Step 6: Final answer
    x = 66,114.44

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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.