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Finding the Fourth Proportional to 85,228.50, 127,861.21 and 32,637.99

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Solution

The fourth proportional to 85,228.50, 127,861.21 and 32,637.99 is: 48,964.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,228.50 : 127,861.21 = 32,637.99 : x
  2. Step 2: Convert to fraction form
    85,228.50/127,861.21 = 32,637.99/x
  3. Step 3: Cross multiply
    85,228.50x = 127,861.21 × 32,637.99
  4. Step 4: Simplify right side
    85,228.50x = 4,173,132,811.77
  5. Step 5: Solve for x
    x = 4,173,132,811.77/85,228.50
  6. Step 6: Final answer
    x = 48,964.05

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.