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Finding the Fourth Proportional to 101,861.16, 152,827.38 and 39,575.40

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Solution

The fourth proportional to 101,861.16, 152,827.38 and 39,575.40 is: 59,376.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,861.16 : 152,827.38 = 39,575.40 : x
  2. Step 2: Convert to fraction form
    101,861.16/152,827.38 = 39,575.40/x
  3. Step 3: Cross multiply
    101,861.16x = 152,827.38 × 39,575.40
  4. Step 4: Simplify right side
    101,861.16x = 6,048,204,694.45
  5. Step 5: Solve for x
    x = 6,048,204,694.45/101,861.16
  6. Step 6: Final answer
    x = 59,376.95

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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.