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Finding the Fourth Proportional to 118,801.79, 178,187.81 and 38,833.06

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Solution

The fourth proportional to 118,801.79, 178,187.81 and 38,833.06 is: 58,244.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,801.79 : 178,187.81 = 38,833.06 : x
  2. Step 2: Convert to fraction form
    118,801.79/178,187.81 = 38,833.06/x
  3. Step 3: Cross multiply
    118,801.79x = 178,187.81 × 38,833.06
  4. Step 4: Simplify right side
    118,801.79x = 6,919,577,722.83
  5. Step 5: Solve for x
    x = 6,919,577,722.83/118,801.79
  6. Step 6: Final answer
    x = 58,244.73

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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.