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Finding the Fourth Proportional to 182,847.31, 252,276.76 and 105,308.59

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Solution

The fourth proportional to 182,847.31, 252,276.76 and 105,308.59 is: 145,295.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,847.31 : 252,276.76 = 105,308.59 : x
  2. Step 2: Convert to fraction form
    182,847.31/252,276.76 = 105,308.59/x
  3. Step 3: Cross multiply
    182,847.31x = 252,276.76 × 105,308.59
  4. Step 4: Simplify right side
    182,847.31x = 26,566,909,859.33
  5. Step 5: Solve for x
    x = 26,566,909,859.33/182,847.31
  6. Step 6: Final answer
    x = 145,295.60

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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.