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Finding the Fourth Proportional to 184,855.50, 255,099.51 and 99,972.30

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Solution

The fourth proportional to 184,855.50, 255,099.51 and 99,972.30 is: 137,961.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,855.50 : 255,099.51 = 99,972.30 : x
  2. Step 2: Convert to fraction form
    184,855.50/255,099.51 = 99,972.30/x
  3. Step 3: Cross multiply
    184,855.50x = 255,099.51 × 99,972.30
  4. Step 4: Simplify right side
    184,855.50x = 25,502,884,743.57
  5. Step 5: Solve for x
    x = 25,502,884,743.57/184,855.50
  6. Step 6: Final answer
    x = 137,961.19

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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.