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Finding the Fourth Proportional to 184,813.84, 255,043.28 and 99,930.88

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Solution

The fourth proportional to 184,813.84, 255,043.28 and 99,930.88 is: 137,904.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,813.84 : 255,043.28 = 99,930.88 : x
  2. Step 2: Convert to fraction form
    184,813.84/255,043.28 = 99,930.88/x
  3. Step 3: Cross multiply
    184,813.84x = 255,043.28 × 99,930.88
  4. Step 4: Simplify right side
    184,813.84x = 25,486,699,408.49
  5. Step 5: Solve for x
    x = 25,486,699,408.49/184,813.84
  6. Step 6: Final answer
    x = 137,904.71

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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.