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Finding the Fourth Proportional to 184,956.86, 255,213.10 and 112,321.98

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Solution

The fourth proportional to 184,956.86, 255,213.10 and 112,321.98 is: 154,987.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,956.86 : 255,213.10 = 112,321.98 : x
  2. Step 2: Convert to fraction form
    184,956.86/255,213.10 = 112,321.98/x
  3. Step 3: Cross multiply
    184,956.86x = 255,213.10 × 112,321.98
  4. Step 4: Simplify right side
    184,956.86x = 28,666,038,876.26
  5. Step 5: Solve for x
    x = 28,666,038,876.26/184,956.86
  6. Step 6: Final answer
    x = 154,987.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.