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Finding the Fourth Proportional to 184,976.60, 277,537.80 and 72,637.70

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Solution

The fourth proportional to 184,976.60, 277,537.80 and 72,637.70 is: 108,985.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,976.60 : 277,537.80 = 72,637.70 : x
  2. Step 2: Convert to fraction form
    184,976.60/277,537.80 = 72,637.70/x
  3. Step 3: Cross multiply
    184,976.60x = 277,537.80 × 72,637.70
  4. Step 4: Simplify right side
    184,976.60x = 20,159,707,455.06
  5. Step 5: Solve for x
    x = 20,159,707,455.06/184,976.60
  6. Step 6: Final answer
    x = 108,985.18

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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.