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Finding the Fourth Proportional to 184,813.92, 255,043.32 and 99,930.96

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Solution

The fourth proportional to 184,813.92, 255,043.32 and 99,930.96 is: 137,904.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,813.92 : 255,043.32 = 99,930.96 : x
  2. Step 2: Convert to fraction form
    184,813.92/255,043.32 = 99,930.96/x
  3. Step 3: Cross multiply
    184,813.92x = 255,043.32 × 99,930.96
  4. Step 4: Simplify right side
    184,813.92x = 25,486,723,809.19
  5. Step 5: Solve for x
    x = 25,486,723,809.19/184,813.92
  6. Step 6: Final answer
    x = 137,904.78

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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.