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Finding the Fourth Proportional to 239,491.94, 359,133.59 and 68,675.91

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Solution

The fourth proportional to 239,491.94, 359,133.59 and 68,675.91 is: 102,983.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,491.94 : 359,133.59 = 68,675.91 : x
  2. Step 2: Convert to fraction form
    239,491.94/359,133.59 = 68,675.91/x
  3. Step 3: Cross multiply
    239,491.94x = 359,133.59 × 68,675.91
  4. Step 4: Simplify right side
    239,491.94x = 24,663,824,929.76
  5. Step 5: Solve for x
    x = 24,663,824,929.76/239,491.94
  6. Step 6: Final answer
    x = 102,983.95

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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.