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Finding the Fourth Proportional to 92,067.99, 127,063.58 and 56,278.95

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Solution

The fourth proportional to 92,067.99, 127,063.58 and 56,278.95 is: 77,670.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,067.99 : 127,063.58 = 56,278.95 : x
  2. Step 2: Convert to fraction form
    92,067.99/127,063.58 = 56,278.95/x
  3. Step 3: Cross multiply
    92,067.99x = 127,063.58 × 56,278.95
  4. Step 4: Simplify right side
    92,067.99x = 7,151,004,584.25
  5. Step 5: Solve for x
    x = 7,151,004,584.25/92,067.99
  6. Step 6: Final answer
    x = 77,670.91

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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.