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Finding the Fourth Proportional to 68,098.46, 93,950.06 and 42,245.06

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Solution

The fourth proportional to 68,098.46, 93,950.06 and 42,245.06 is: 58,282.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,098.46 : 93,950.06 = 42,245.06 : x
  2. Step 2: Convert to fraction form
    68,098.46/93,950.06 = 42,245.06/x
  3. Step 3: Cross multiply
    68,098.46x = 93,950.06 × 42,245.06
  4. Step 4: Simplify right side
    68,098.46x = 3,968,925,921.70
  5. Step 5: Solve for x
    x = 3,968,925,921.70/68,098.46
  6. Step 6: Final answer
    x = 58,282.17

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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.