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Finding the Fourth Proportional to 246,486.76, 340,151.72 and 133,309.50

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Solution

The fourth proportional to 246,486.76, 340,151.72 and 133,309.50 is: 183,967.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,486.76 : 340,151.72 = 133,309.50 : x
  2. Step 2: Convert to fraction form
    246,486.76/340,151.72 = 133,309.50/x
  3. Step 3: Cross multiply
    246,486.76x = 340,151.72 × 133,309.50
  4. Step 4: Simplify right side
    246,486.76x = 45,345,455,717.34
  5. Step 5: Solve for x
    x = 45,345,455,717.34/246,486.76
  6. Step 6: Final answer
    x = 183,967.11

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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.