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Finding the Fourth Proportional to 117,677.79, 176,417.19 and 51,067.53

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Solution

The fourth proportional to 117,677.79, 176,417.19 and 51,067.53 is: 76,558.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,677.79 : 176,417.19 = 51,067.53 : x
  2. Step 2: Convert to fraction form
    117,677.79/176,417.19 = 51,067.53/x
  3. Step 3: Cross multiply
    117,677.79x = 176,417.19 × 51,067.53
  4. Step 4: Simplify right side
    117,677.79x = 9,009,190,142.84
  5. Step 5: Solve for x
    x = 9,009,190,142.84/117,677.79
  6. Step 6: Final answer
    x = 76,558.12

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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.