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Finding the Fourth Proportional to 246,486.52, 340,151.16 and 133,309

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Solution

The fourth proportional to 246,486.52, 340,151.16 and 133,309 is: 183,966.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,486.52 : 340,151.16 = 133,309 : x
  2. Step 2: Convert to fraction form
    246,486.52/340,151.16 = 133,309/x
  3. Step 3: Cross multiply
    246,486.52x = 340,151.16 × 133,309
  4. Step 4: Simplify right side
    246,486.52x = 45,345,210,988.44
  5. Step 5: Solve for x
    x = 45,345,210,988.44/246,486.52
  6. Step 6: Final answer
    x = 183,966.29

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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.