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Finding the Fourth Proportional to 101,658.43, 140,289.00 and 56,337.19

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Solution

The fourth proportional to 101,658.43, 140,289.00 and 56,337.19 is: 77,745.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,658.43 : 140,289.00 = 56,337.19 : x
  2. Step 2: Convert to fraction form
    101,658.43/140,289.00 = 56,337.19/x
  3. Step 3: Cross multiply
    101,658.43x = 140,289.00 × 56,337.19
  4. Step 4: Simplify right side
    101,658.43x = 7,903,487,485.92
  5. Step 5: Solve for x
    x = 7,903,487,485.92/101,658.43
  6. Step 6: Final answer
    x = 77,745.52

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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.