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Finding the Fourth Proportional to 304,339.68, 456,511.68 and 93,972.96

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Solution

The fourth proportional to 304,339.68, 456,511.68 and 93,972.96 is: 140,960.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,339.68 : 456,511.68 = 93,972.96 : x
  2. Step 2: Convert to fraction form
    304,339.68/456,511.68 = 93,972.96/x
  3. Step 3: Cross multiply
    304,339.68x = 456,511.68 × 93,972.96
  4. Step 4: Simplify right side
    304,339.68x = 42,899,753,844.17
  5. Step 5: Solve for x
    x = 42,899,753,844.17/304,339.68
  6. Step 6: Final answer
    x = 140,960.11

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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.