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Finding the Fourth Proportional to 73,871.40, 110,730.44 and 34,396.04

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Solution

The fourth proportional to 73,871.40, 110,730.44 and 34,396.04 is: 51,558.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,871.40 : 110,730.44 = 34,396.04 : x
  2. Step 2: Convert to fraction form
    73,871.40/110,730.44 = 34,396.04/x
  3. Step 3: Cross multiply
    73,871.40x = 110,730.44 × 34,396.04
  4. Step 4: Simplify right side
    73,871.40x = 3,808,688,643.46
  5. Step 5: Solve for x
    x = 3,808,688,643.46/73,871.40
  6. Step 6: Final answer
    x = 51,558.37

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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.