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Finding the Fourth Proportional to 184,478.70, 254,598.71 and 107,993.15

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Solution

The fourth proportional to 184,478.70, 254,598.71 and 107,993.15 is: 149,041.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,478.70 : 254,598.71 = 107,993.15 : x
  2. Step 2: Convert to fraction form
    184,478.70/254,598.71 = 107,993.15/x
  3. Step 3: Cross multiply
    184,478.70x = 254,598.71 × 107,993.15
  4. Step 4: Simplify right side
    184,478.70x = 27,494,917,860.20
  5. Step 5: Solve for x
    x = 27,494,917,860.20/184,478.70
  6. Step 6: Final answer
    x = 149,041.15

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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.