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Finding the Fourth Proportional to 184,081.60, 276,122.40 and 90,769.60

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Solution

The fourth proportional to 184,081.60, 276,122.40 and 90,769.60 is: 136,154.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,081.60 : 276,122.40 = 90,769.60 : x
  2. Step 2: Convert to fraction form
    184,081.60/276,122.40 = 90,769.60/x
  3. Step 3: Cross multiply
    184,081.60x = 276,122.40 × 90,769.60
  4. Step 4: Simplify right side
    184,081.60x = 25,063,519,799.04
  5. Step 5: Solve for x
    x = 25,063,519,799.04/184,081.60
  6. Step 6: Final answer
    x = 136,154.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.