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Finding the Fourth Proportional to 242,611.68, 334,943.04 and 162,175.44

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Solution

The fourth proportional to 242,611.68, 334,943.04 and 162,175.44 is: 223,894.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,611.68 : 334,943.04 = 162,175.44 : x
  2. Step 2: Convert to fraction form
    242,611.68/334,943.04 = 162,175.44/x
  3. Step 3: Cross multiply
    242,611.68x = 334,943.04 × 162,175.44
  4. Step 4: Simplify right side
    242,611.68x = 54,319,534,886.94
  5. Step 5: Solve for x
    x = 54,319,534,886.94/242,611.68
  6. Step 6: Final answer
    x = 223,894.97

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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.