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Finding the Fourth Proportional to 184,920.87, 255,188.31 and 103,250.39

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Solution

The fourth proportional to 184,920.87, 255,188.31 and 103,250.39 is: 142,484.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,920.87 : 255,188.31 = 103,250.39 : x
  2. Step 2: Convert to fraction form
    184,920.87/255,188.31 = 103,250.39/x
  3. Step 3: Cross multiply
    184,920.87x = 255,188.31 × 103,250.39
  4. Step 4: Simplify right side
    184,920.87x = 26,348,290,867.81
  5. Step 5: Solve for x
    x = 26,348,290,867.81/184,920.87
  6. Step 6: Final answer
    x = 142,484.14

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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.