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Finding the Fourth Proportional to 101,006.22, 139,398.44 and 75,468.27

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Solution

The fourth proportional to 101,006.22, 139,398.44 and 75,468.27 is: 104,153.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,006.22 : 139,398.44 = 75,468.27 : x
  2. Step 2: Convert to fraction form
    101,006.22/139,398.44 = 75,468.27/x
  3. Step 3: Cross multiply
    101,006.22x = 139,398.44 × 75,468.27
  4. Step 4: Simplify right side
    101,006.22x = 10,520,159,107.50
  5. Step 5: Solve for x
    x = 10,520,159,107.50/101,006.22
  6. Step 6: Final answer
    x = 104,153.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.