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Finding the Fourth Proportional to 242,611.08, 334,804.62 and 140,696.97

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Solution

The fourth proportional to 242,611.08, 334,804.62 and 140,696.97 is: 194,162.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,611.08 : 334,804.62 = 140,696.97 : x
  2. Step 2: Convert to fraction form
    242,611.08/334,804.62 = 140,696.97/x
  3. Step 3: Cross multiply
    242,611.08x = 334,804.62 × 140,696.97
  4. Step 4: Simplify right side
    242,611.08x = 47,105,993,901.98
  5. Step 5: Solve for x
    x = 47,105,993,901.98/242,611.08
  6. Step 6: Final answer
    x = 194,162.58

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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.