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Finding the Fourth Proportional to 103,060.77, 154,675.94 and 43,963.17

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Solution

The fourth proportional to 103,060.77, 154,675.94 and 43,963.17 is: 65,980.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,060.77 : 154,675.94 = 43,963.17 : x
  2. Step 2: Convert to fraction form
    103,060.77/154,675.94 = 43,963.17/x
  3. Step 3: Cross multiply
    103,060.77x = 154,675.94 × 43,963.17
  4. Step 4: Simplify right side
    103,060.77x = 6,800,044,425.31
  5. Step 5: Solve for x
    x = 6,800,044,425.31/103,060.77
  6. Step 6: Final answer
    x = 65,980.92

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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.