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Finding the Fourth Proportional to 184,984.60, 277,549.80 and 72,645.70

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Solution

The fourth proportional to 184,984.60, 277,549.80 and 72,645.70 is: 108,997.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,984.60 : 277,549.80 = 72,645.70 : x
  2. Step 2: Convert to fraction form
    184,984.60/277,549.80 = 72,645.70/x
  3. Step 3: Cross multiply
    184,984.60x = 277,549.80 × 72,645.70
  4. Step 4: Simplify right side
    184,984.60x = 20,162,799,505.86
  5. Step 5: Solve for x
    x = 20,162,799,505.86/184,984.60
  6. Step 6: Final answer
    x = 108,997.18

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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.