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Finding the Fourth Proportional to 95,634, 143,468.10 and 39,442.86

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Solution

The fourth proportional to 95,634, 143,468.10 and 39,442.86 is: 59,171.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,634 : 143,468.10 = 39,442.86 : x
  2. Step 2: Convert to fraction form
    95,634/143,468.10 = 39,442.86/x
  3. Step 3: Cross multiply
    95,634x = 143,468.10 × 39,442.86
  4. Step 4: Simplify right side
    95,634x = 5,658,792,182.77
  5. Step 5: Solve for x
    x = 5,658,792,182.77/95,634
  6. Step 6: Final answer
    x = 59,171.34

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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.