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Finding the Fourth Proportional to 100,523.43, 150,819.17 and 63,111.15

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Solution

The fourth proportional to 100,523.43, 150,819.17 and 63,111.15 is: 94,688.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,523.43 : 150,819.17 = 63,111.15 : x
  2. Step 2: Convert to fraction form
    100,523.43/150,819.17 = 63,111.15/x
  3. Step 3: Cross multiply
    100,523.43x = 150,819.17 × 63,111.15
  4. Step 4: Simplify right side
    100,523.43x = 9,518,370,945.19
  5. Step 5: Solve for x
    x = 9,518,370,945.19/100,523.43
  6. Step 6: Final answer
    x = 94,688.08

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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.