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Finding the Fourth Proportional to 184,257.09, 254,273.12 and 103,683

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Solution

The fourth proportional to 184,257.09, 254,273.12 and 103,683 is: 143,081.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,257.09 : 254,273.12 = 103,683 : x
  2. Step 2: Convert to fraction form
    184,257.09/254,273.12 = 103,683/x
  3. Step 3: Cross multiply
    184,257.09x = 254,273.12 × 103,683
  4. Step 4: Simplify right side
    184,257.09x = 26,363,799,900.96
  5. Step 5: Solve for x
    x = 26,363,799,900.96/184,257.09
  6. Step 6: Final answer
    x = 143,081.60

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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.