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Finding the Fourth Proportional to 250,459.83, 375,514.79 and 92,667.78

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Solution

The fourth proportional to 250,459.83, 375,514.79 and 92,667.78 is: 138,936.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,459.83 : 375,514.79 = 92,667.78 : x
  2. Step 2: Convert to fraction form
    250,459.83/375,514.79 = 92,667.78/x
  3. Step 3: Cross multiply
    250,459.83x = 375,514.79 × 92,667.78
  4. Step 4: Simplify right side
    250,459.83x = 34,798,121,483.13
  5. Step 5: Solve for x
    x = 34,798,121,483.13/250,459.83
  6. Step 6: Final answer
    x = 138,936.94

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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.