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Finding the Fourth Proportional to 185,412.12, 255,874.13 and 104,837.94

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Solution

The fourth proportional to 185,412.12, 255,874.13 and 104,837.94 is: 144,679.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,412.12 : 255,874.13 = 104,837.94 : x
  2. Step 2: Convert to fraction form
    185,412.12/255,874.13 = 104,837.94/x
  3. Step 3: Cross multiply
    185,412.12x = 255,874.13 × 104,837.94
  4. Step 4: Simplify right side
    185,412.12x = 26,825,316,164.30
  5. Step 5: Solve for x
    x = 26,825,316,164.30/185,412.12
  6. Step 6: Final answer
    x = 144,679.41

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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.