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Finding the Fourth Proportional to 292,336.92, 403,502.94 and 165,087

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Solution

The fourth proportional to 292,336.92, 403,502.94 and 165,087 is: 227,864.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,336.92 : 403,502.94 = 165,087 : x
  2. Step 2: Convert to fraction form
    292,336.92/403,502.94 = 165,087/x
  3. Step 3: Cross multiply
    292,336.92x = 403,502.94 × 165,087
  4. Step 4: Simplify right side
    292,336.92x = 66,613,089,855.78
  5. Step 5: Solve for x
    x = 66,613,089,855.78/292,336.92
  6. Step 6: Final answer
    x = 227,864.10

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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.