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Finding the Fourth Proportional to 92,374.72, 138,562.08 and 33,210.56

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Solution

The fourth proportional to 92,374.72, 138,562.08 and 33,210.56 is: 49,815.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,374.72 : 138,562.08 = 33,210.56 : x
  2. Step 2: Convert to fraction form
    92,374.72/138,562.08 = 33,210.56/x
  3. Step 3: Cross multiply
    92,374.72x = 138,562.08 × 33,210.56
  4. Step 4: Simplify right side
    92,374.72x = 4,601,724,271.56
  5. Step 5: Solve for x
    x = 4,601,724,271.56/92,374.72
  6. Step 6: Final answer
    x = 49,815.84

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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.