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Finding the Fourth Proportional to 68,097.65, 93,936.35 and 40,866.77

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Solution

The fourth proportional to 68,097.65, 93,936.35 and 40,866.77 is: 56,373.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,097.65 : 93,936.35 = 40,866.77 : x
  2. Step 2: Convert to fraction form
    68,097.65/93,936.35 = 40,866.77/x
  3. Step 3: Cross multiply
    68,097.65x = 93,936.35 × 40,866.77
  4. Step 4: Simplify right side
    68,097.65x = 3,838,874,536.07
  5. Step 5: Solve for x
    x = 3,838,874,536.07/68,097.65
  6. Step 6: Final answer
    x = 56,373.09

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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.