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Finding the Fourth Proportional to 184,085.70, 275,934.15 and 105,029.70

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Solution

The fourth proportional to 184,085.70, 275,934.15 and 105,029.70 is: 157,433.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,085.70 : 275,934.15 = 105,029.70 : x
  2. Step 2: Convert to fraction form
    184,085.70/275,934.15 = 105,029.70/x
  3. Step 3: Cross multiply
    184,085.70x = 275,934.15 × 105,029.70
  4. Step 4: Simplify right side
    184,085.70x = 28,981,280,994.26
  5. Step 5: Solve for x
    x = 28,981,280,994.26/184,085.70
  6. Step 6: Final answer
    x = 157,433.64

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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.