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Finding the Fourth Proportional to 184,159.86, 254,138.76 and 102,486.73

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Solution

The fourth proportional to 184,159.86, 254,138.76 and 102,486.73 is: 141,430.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,159.86 : 254,138.76 = 102,486.73 : x
  2. Step 2: Convert to fraction form
    184,159.86/254,138.76 = 102,486.73/x
  3. Step 3: Cross multiply
    184,159.86x = 254,138.76 × 102,486.73
  4. Step 4: Simplify right side
    184,159.86x = 26,045,850,478.65
  5. Step 5: Solve for x
    x = 26,045,850,478.65/184,159.86
  6. Step 6: Final answer
    x = 141,430.66

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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.