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Finding the Fourth Proportional to 178,448.61, 246,274.88 and 97,891.83

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Solution

The fourth proportional to 178,448.61, 246,274.88 and 97,891.83 is: 135,099.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,448.61 : 246,274.88 = 97,891.83 : x
  2. Step 2: Convert to fraction form
    178,448.61/246,274.88 = 97,891.83/x
  3. Step 3: Cross multiply
    178,448.61x = 246,274.88 × 97,891.83
  4. Step 4: Simplify right side
    178,448.61x = 24,108,298,686.23
  5. Step 5: Solve for x
    x = 24,108,298,686.23/178,448.61
  6. Step 6: Final answer
    x = 135,099.39

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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.