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Finding the Fourth Proportional to 395,023.61, 592,429.71 and 110,698.22

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Solution

The fourth proportional to 395,023.61, 592,429.71 and 110,698.22 is: 166,017.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,023.61 : 592,429.71 = 110,698.22 : x
  2. Step 2: Convert to fraction form
    395,023.61/592,429.71 = 110,698.22/x
  3. Step 3: Cross multiply
    395,023.61x = 592,429.71 × 110,698.22
  4. Step 4: Simplify right side
    395,023.61x = 65,580,914,372.12
  5. Step 5: Solve for x
    x = 65,580,914,372.12/395,023.61
  6. Step 6: Final answer
    x = 166,017.71

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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.