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Finding the Fourth Proportional to 101,850.57, 140,551.67 and 56,525.93

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Solution

The fourth proportional to 101,850.57, 140,551.67 and 56,525.93 is: 78,004.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,850.57 : 140,551.67 = 56,525.93 : x
  2. Step 2: Convert to fraction form
    101,850.57/140,551.67 = 56,525.93/x
  3. Step 3: Cross multiply
    101,850.57x = 140,551.67 × 56,525.93
  4. Step 4: Simplify right side
    101,850.57x = 7,944,812,874.42
  5. Step 5: Solve for x
    x = 7,944,812,874.42/101,850.57
  6. Step 6: Final answer
    x = 78,004.60

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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.