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Finding the Fourth Proportional to 184,866.36, 255,115.56 and 99,983.40

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Solution

The fourth proportional to 184,866.36, 255,115.56 and 99,983.40 is: 137,977.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,866.36 : 255,115.56 = 99,983.40 : x
  2. Step 2: Convert to fraction form
    184,866.36/255,115.56 = 99,983.40/x
  3. Step 3: Cross multiply
    184,866.36x = 255,115.56 × 99,983.40
  4. Step 4: Simplify right side
    184,866.36x = 25,507,321,081.70
  5. Step 5: Solve for x
    x = 25,507,321,081.70/184,866.36
  6. Step 6: Final answer
    x = 137,977.08

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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.