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Finding the Fourth Proportional to 101,525.44, 140,105.28 and 56,813.44

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Solution

The fourth proportional to 101,525.44, 140,105.28 and 56,813.44 is: 78,402.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,525.44 : 140,105.28 = 56,813.44 : x
  2. Step 2: Convert to fraction form
    101,525.44/140,105.28 = 56,813.44/x
  3. Step 3: Cross multiply
    101,525.44x = 140,105.28 × 56,813.44
  4. Step 4: Simplify right side
    101,525.44x = 7,959,862,918.96
  5. Step 5: Solve for x
    x = 7,959,862,918.96/101,525.44
  6. Step 6: Final answer
    x = 78,402.64

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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.