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Finding the Fourth Proportional to 103,011.68, 154,418.88 and 32,845.52

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Solution

The fourth proportional to 103,011.68, 154,418.88 and 32,845.52 is: 49,236.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,011.68 : 154,418.88 = 32,845.52 : x
  2. Step 2: Convert to fraction form
    103,011.68/154,418.88 = 32,845.52/x
  3. Step 3: Cross multiply
    103,011.68x = 154,418.88 × 32,845.52
  4. Step 4: Simplify right side
    103,011.68x = 5,071,968,411.42
  5. Step 5: Solve for x
    x = 5,071,968,411.42/103,011.68
  6. Step 6: Final answer
    x = 49,236.83

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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.