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Finding the Fourth Proportional to 267,618.63, 401,590.00 and 107,730.10

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Solution

The fourth proportional to 267,618.63, 401,590.00 and 107,730.10 is: 161,660.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,618.63 : 401,590.00 = 107,730.10 : x
  2. Step 2: Convert to fraction form
    267,618.63/401,590.00 = 107,730.10/x
  3. Step 3: Cross multiply
    267,618.63x = 401,590.00 × 107,730.10
  4. Step 4: Simplify right side
    267,618.63x = 43,263,331,495.65
  5. Step 5: Solve for x
    x = 43,263,331,495.65/267,618.63
  6. Step 6: Final answer
    x = 161,660.39

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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.