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Finding the Fourth Proportional to 89,000.30, 133,500.14 and 36,409.80

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Solution

The fourth proportional to 89,000.30, 133,500.14 and 36,409.80 is: 54,614.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,000.30 : 133,500.14 = 36,409.80 : x
  2. Step 2: Convert to fraction form
    89,000.30/133,500.14 = 36,409.80/x
  3. Step 3: Cross multiply
    89,000.30x = 133,500.14 × 36,409.80
  4. Step 4: Simplify right side
    89,000.30x = 4,860,713,397.37
  5. Step 5: Solve for x
    x = 4,860,713,397.37/89,000.30
  6. Step 6: Final answer
    x = 54,614.57

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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.