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Finding the Fourth Proportional to 184,987.60, 277,554.30 and 72,648.70

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Solution

The fourth proportional to 184,987.60, 277,554.30 and 72,648.70 is: 109,001.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,987.60 : 277,554.30 = 72,648.70 : x
  2. Step 2: Convert to fraction form
    184,987.60/277,554.30 = 72,648.70/x
  3. Step 3: Cross multiply
    184,987.60x = 277,554.30 × 72,648.70
  4. Step 4: Simplify right side
    184,987.60x = 20,163,959,074.41
  5. Step 5: Solve for x
    x = 20,163,959,074.41/184,987.60
  6. Step 6: Final answer
    x = 109,001.68

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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.