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Finding the Fourth Proportional to 184,855.64, 255,100.52 and 99,972.70

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Solution

The fourth proportional to 184,855.64, 255,100.52 and 99,972.70 is: 137,962.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,855.64 : 255,100.52 = 99,972.70 : x
  2. Step 2: Convert to fraction form
    184,855.64/255,100.52 = 99,972.70/x
  3. Step 3: Cross multiply
    184,855.64x = 255,100.52 × 99,972.70
  4. Step 4: Simplify right side
    184,855.64x = 25,503,087,367.98
  5. Step 5: Solve for x
    x = 25,503,087,367.98/184,855.64
  6. Step 6: Final answer
    x = 137,962.19

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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.