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Finding the Fourth Proportional to 88,662.50, 133,018.75 and 36,109.70

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Solution

The fourth proportional to 88,662.50, 133,018.75 and 36,109.70 is: 54,174.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,662.50 : 133,018.75 = 36,109.70 : x
  2. Step 2: Convert to fraction form
    88,662.50/133,018.75 = 36,109.70/x
  3. Step 3: Cross multiply
    88,662.50x = 133,018.75 × 36,109.70
  4. Step 4: Simplify right side
    88,662.50x = 4,803,267,156.88
  5. Step 5: Solve for x
    x = 4,803,267,156.88/88,662.50
  6. Step 6: Final answer
    x = 54,174.73

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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.