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Finding the Fourth Proportional to 88,822.70, 133,234.05 and 74,998.70

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Solution

The fourth proportional to 88,822.70, 133,234.05 and 74,998.70 is: 112,498.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,822.70 : 133,234.05 = 74,998.70 : x
  2. Step 2: Convert to fraction form
    88,822.70/133,234.05 = 74,998.70/x
  3. Step 3: Cross multiply
    88,822.70x = 133,234.05 × 74,998.70
  4. Step 4: Simplify right side
    88,822.70x = 9,992,380,545.74
  5. Step 5: Solve for x
    x = 9,992,380,545.74/88,822.70
  6. Step 6: Final answer
    x = 112,498.05

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1.5x scale

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.