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Finding the Fourth Proportional to 117,675.60, 176,513.40 and 104,773.20

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Solution

The fourth proportional to 117,675.60, 176,513.40 and 104,773.20 is: 157,159.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,675.60 : 176,513.40 = 104,773.20 : x
  2. Step 2: Convert to fraction form
    117,675.60/176,513.40 = 104,773.20/x
  3. Step 3: Cross multiply
    117,675.60x = 176,513.40 × 104,773.20
  4. Step 4: Simplify right side
    117,675.60x = 18,493,873,760.88
  5. Step 5: Solve for x
    x = 18,493,873,760.88/117,675.60
  6. Step 6: Final answer
    x = 157,159.80

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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.