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Finding the Fourth Proportional to 89,925.66, 134,956.08 and 33,821.10

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Solution

The fourth proportional to 89,925.66, 134,956.08 and 33,821.10 is: 50,757.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,925.66 : 134,956.08 = 33,821.10 : x
  2. Step 2: Convert to fraction form
    89,925.66/134,956.08 = 33,821.10/x
  3. Step 3: Cross multiply
    89,925.66x = 134,956.08 × 33,821.10
  4. Step 4: Simplify right side
    89,925.66x = 4,564,363,077.29
  5. Step 5: Solve for x
    x = 4,564,363,077.29/89,925.66
  6. Step 6: Final answer
    x = 50,757.07

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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.