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Finding the Fourth Proportional to 175,628.88, 262,926.54 and 108,854.64

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Solution

The fourth proportional to 175,628.88, 262,926.54 and 108,854.64 is: 162,961.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,628.88 : 262,926.54 = 108,854.64 : x
  2. Step 2: Convert to fraction form
    175,628.88/262,926.54 = 108,854.64/x
  3. Step 3: Cross multiply
    175,628.88x = 262,926.54 × 108,854.64
  4. Step 4: Simplify right side
    175,628.88x = 28,620,773,858.15
  5. Step 5: Solve for x
    x = 28,620,773,858.15/175,628.88
  6. Step 6: Final answer
    x = 162,961.66

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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.