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Finding the Fourth Proportional to 100,970.43, 151,483.71 and 44,049.32

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Solution

The fourth proportional to 100,970.43, 151,483.71 and 44,049.32 is: 66,086.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,970.43 : 151,483.71 = 44,049.32 : x
  2. Step 2: Convert to fraction form
    100,970.43/151,483.71 = 44,049.32/x
  3. Step 3: Cross multiply
    100,970.43x = 151,483.71 × 44,049.32
  4. Step 4: Simplify right side
    100,970.43x = 6,672,753,824.34
  5. Step 5: Solve for x
    x = 6,672,753,824.34/100,970.43
  6. Step 6: Final answer
    x = 66,086.22

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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.