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Finding the Fourth Proportional to 134,006.72, 201,014.52 and 67,410.56

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Solution

The fourth proportional to 134,006.72, 201,014.52 and 67,410.56 is: 101,118.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,006.72 : 201,014.52 = 67,410.56 : x
  2. Step 2: Convert to fraction form
    134,006.72/201,014.52 = 67,410.56/x
  3. Step 3: Cross multiply
    134,006.72x = 201,014.52 × 67,410.56
  4. Step 4: Simplify right side
    134,006.72x = 13,550,500,356.26
  5. Step 5: Solve for x
    x = 13,550,500,356.26/134,006.72
  6. Step 6: Final answer
    x = 101,118.07

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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.