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Finding the Fourth Proportional to 191,599.05, 287,433.44 and 65,232.83

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Solution

The fourth proportional to 191,599.05, 287,433.44 and 65,232.83 is: 97,861.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,599.05 : 287,433.44 = 65,232.83 : x
  2. Step 2: Convert to fraction form
    191,599.05/287,433.44 = 65,232.83/x
  3. Step 3: Cross multiply
    191,599.05x = 287,433.44 × 65,232.83
  4. Step 4: Simplify right side
    191,599.05x = 18,750,096,115.00
  5. Step 5: Solve for x
    x = 18,750,096,115.00/191,599.05
  6. Step 6: Final answer
    x = 97,861.11

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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.