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Finding the Fourth Proportional to 184,980.60, 277,543.80 and 72,641.70

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Solution

The fourth proportional to 184,980.60, 277,543.80 and 72,641.70 is: 108,991.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,980.60 : 277,543.80 = 72,641.70 : x
  2. Step 2: Convert to fraction form
    184,980.60/277,543.80 = 72,641.70/x
  3. Step 3: Cross multiply
    184,980.60x = 277,543.80 × 72,641.70
  4. Step 4: Simplify right side
    184,980.60x = 20,161,253,456.46
  5. Step 5: Solve for x
    x = 20,161,253,456.46/184,980.60
  6. Step 6: Final answer
    x = 108,991.18

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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.