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Finding the Fourth Proportional to 118,665.84, 178,027.93 and 35,559.84

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Solution

The fourth proportional to 118,665.84, 178,027.93 and 35,559.84 is: 53,348.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,665.84 : 178,027.93 = 35,559.84 : x
  2. Step 2: Convert to fraction form
    118,665.84/178,027.93 = 35,559.84/x
  3. Step 3: Cross multiply
    118,665.84x = 178,027.93 × 35,559.84
  4. Step 4: Simplify right side
    118,665.84x = 6,330,645,418.39
  5. Step 5: Solve for x
    x = 6,330,645,418.39/118,665.84
  6. Step 6: Final answer
    x = 53,348.51

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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.