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Finding the Fourth Proportional to 88,998.57, 133,420.32 and 36,374.49

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Solution

The fourth proportional to 88,998.57, 133,420.32 and 36,374.49 is: 54,530.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,998.57 : 133,420.32 = 36,374.49 : x
  2. Step 2: Convert to fraction form
    88,998.57/133,420.32 = 36,374.49/x
  3. Step 3: Cross multiply
    88,998.57x = 133,420.32 × 36,374.49
  4. Step 4: Simplify right side
    88,998.57x = 4,853,096,095.64
  5. Step 5: Solve for x
    x = 4,853,096,095.64/88,998.57
  6. Step 6: Final answer
    x = 54,530.05

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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.