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Finding the Fourth Proportional to 184,687.15, 254,868.26 and 99,804.21

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Solution

The fourth proportional to 184,687.15, 254,868.26 and 99,804.21 is: 137,729.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,687.15 : 254,868.26 = 99,804.21 : x
  2. Step 2: Convert to fraction form
    184,687.15/254,868.26 = 99,804.21/x
  3. Step 3: Cross multiply
    184,687.15x = 254,868.26 × 99,804.21
  4. Step 4: Simplify right side
    184,687.15x = 25,436,924,844.35
  5. Step 5: Solve for x
    x = 25,436,924,844.35/184,687.15
  6. Step 6: Final answer
    x = 137,729.81

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1.5x scale

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.