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Finding the Fourth Proportional to 171,464.86, 236,737.05 and 107,032.20

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Solution

The fourth proportional to 171,464.86, 236,737.05 and 107,032.20 is: 147,776.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,464.86 : 236,737.05 = 107,032.20 : x
  2. Step 2: Convert to fraction form
    171,464.86/236,737.05 = 107,032.20/x
  3. Step 3: Cross multiply
    171,464.86x = 236,737.05 × 107,032.20
  4. Step 4: Simplify right side
    171,464.86x = 25,338,485,564.16
  5. Step 5: Solve for x
    x = 25,338,485,564.16/171,464.86
  6. Step 6: Final answer
    x = 147,776.55

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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.