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Finding the Fourth Proportional to 71,410.88, 107,182.20 and 36,376.64

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Solution

The fourth proportional to 71,410.88, 107,182.20 and 36,376.64 is: 54,598.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,410.88 : 107,182.20 = 36,376.64 : x
  2. Step 2: Convert to fraction form
    71,410.88/107,182.20 = 36,376.64/x
  3. Step 3: Cross multiply
    71,410.88x = 107,182.20 × 36,376.64
  4. Step 4: Simplify right side
    71,410.88x = 3,898,928,303.81
  5. Step 5: Solve for x
    x = 3,898,928,303.81/71,410.88
  6. Step 6: Final answer
    x = 54,598.52

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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.