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Finding the Fourth Proportional to 94,791.60, 130,813.02 and 51,769.98

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Solution

The fourth proportional to 94,791.60, 130,813.02 and 51,769.98 is: 71,442.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,791.60 : 130,813.02 = 51,769.98 : x
  2. Step 2: Convert to fraction form
    94,791.60/130,813.02 = 51,769.98/x
  3. Step 3: Cross multiply
    94,791.60x = 130,813.02 × 51,769.98
  4. Step 4: Simplify right side
    94,791.60x = 6,772,187,429.14
  5. Step 5: Solve for x
    x = 6,772,187,429.14/94,791.60
  6. Step 6: Final answer
    x = 71,442.91

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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.