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Finding the Fourth Proportional to 117,897.64, 176,844.84 and 51,336.36

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Solution

The fourth proportional to 117,897.64, 176,844.84 and 51,336.36 is: 77,003.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,897.64 : 176,844.84 = 51,336.36 : x
  2. Step 2: Convert to fraction form
    117,897.64/176,844.84 = 51,336.36/x
  3. Step 3: Cross multiply
    117,897.64x = 176,844.84 × 51,336.36
  4. Step 4: Simplify right side
    117,897.64x = 9,078,570,370.38
  5. Step 5: Solve for x
    x = 9,078,570,370.38/117,897.64
  6. Step 6: Final answer
    x = 77,003.83

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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.