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Finding the Fourth Proportional to 243,137.19, 364,753.06 and 93,366.47

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Solution

The fourth proportional to 243,137.19, 364,753.06 and 93,366.47 is: 140,067.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,137.19 : 364,753.06 = 93,366.47 : x
  2. Step 2: Convert to fraction form
    243,137.19/364,753.06 = 93,366.47/x
  3. Step 3: Cross multiply
    243,137.19x = 364,753.06 × 93,366.47
  4. Step 4: Simplify right side
    243,137.19x = 34,055,706,312.36
  5. Step 5: Solve for x
    x = 34,055,706,312.36/243,137.19
  6. Step 6: Final answer
    x = 140,067.86

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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.