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Finding the Fourth Proportional to 355,743.66, 533,652.86 and 115,876.25

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Solution

The fourth proportional to 355,743.66, 533,652.86 and 115,876.25 is: 173,826.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,743.66 : 533,652.86 = 115,876.25 : x
  2. Step 2: Convert to fraction form
    355,743.66/533,652.86 = 115,876.25/x
  3. Step 3: Cross multiply
    355,743.66x = 533,652.86 × 115,876.25
  4. Step 4: Simplify right side
    355,743.66x = 61,837,692,218.58
  5. Step 5: Solve for x
    x = 61,837,692,218.58/355,743.66
  6. Step 6: Final answer
    x = 173,826.55

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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.