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Finding the Fourth Proportional to 184,426.70, 276,640.05 and 90,920.30

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Solution

The fourth proportional to 184,426.70, 276,640.05 and 90,920.30 is: 136,380.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,426.70 : 276,640.05 = 90,920.30 : x
  2. Step 2: Convert to fraction form
    184,426.70/276,640.05 = 90,920.30/x
  3. Step 3: Cross multiply
    184,426.70x = 276,640.05 × 90,920.30
  4. Step 4: Simplify right side
    184,426.70x = 25,152,196,338.02
  5. Step 5: Solve for x
    x = 25,152,196,338.02/184,426.70
  6. Step 6: Final answer
    x = 136,380.45

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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.