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Finding the Fourth Proportional to 184,991.25, 277,374.51 and 72,536.74

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Solution

The fourth proportional to 184,991.25, 277,374.51 and 72,536.74 is: 108,761.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,991.25 : 277,374.51 = 72,536.74 : x
  2. Step 2: Convert to fraction form
    184,991.25/277,374.51 = 72,536.74/x
  3. Step 3: Cross multiply
    184,991.25x = 277,374.51 × 72,536.74
  4. Step 4: Simplify right side
    184,991.25x = 20,119,842,677.14
  5. Step 5: Solve for x
    x = 20,119,842,677.14/184,991.25
  6. Step 6: Final answer
    x = 108,761.05

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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.