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Finding the Fourth Proportional to 184,866.15, 255,115.28 and 99,983.21

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Solution

The fourth proportional to 184,866.15, 255,115.28 and 99,983.21 is: 137,976.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,866.15 : 255,115.28 = 99,983.21 : x
  2. Step 2: Convert to fraction form
    184,866.15/255,115.28 = 99,983.21/x
  3. Step 3: Cross multiply
    184,866.15x = 255,115.28 × 99,983.21
  4. Step 4: Simplify right side
    184,866.15x = 25,507,244,614.45
  5. Step 5: Solve for x
    x = 25,507,244,614.45/184,866.15
  6. Step 6: Final answer
    x = 137,976.83

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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.