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Finding the Fourth Proportional to 376,861.69, 565,171.02 and 124,081.98

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Solution

The fourth proportional to 376,861.69, 565,171.02 and 124,081.98 is: 186,082.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,861.69 : 565,171.02 = 124,081.98 : x
  2. Step 2: Convert to fraction form
    376,861.69/565,171.02 = 124,081.98/x
  3. Step 3: Cross multiply
    376,861.69x = 565,171.02 × 124,081.98
  4. Step 4: Simplify right side
    376,861.69x = 70,127,539,200.22
  5. Step 5: Solve for x
    x = 70,127,539,200.22/376,861.69
  6. Step 6: Final answer
    x = 186,082.96

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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.