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Finding the Fourth Proportional to 167,877.76, 251,658.35 and 83,558.22

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Solution

The fourth proportional to 167,877.76, 251,658.35 and 83,558.22 is: 125,258.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,877.76 : 251,658.35 = 83,558.22 : x
  2. Step 2: Convert to fraction form
    167,877.76/251,658.35 = 83,558.22/x
  3. Step 3: Cross multiply
    167,877.76x = 251,658.35 × 83,558.22
  4. Step 4: Simplify right side
    167,877.76x = 21,028,123,774.14
  5. Step 5: Solve for x
    x = 21,028,123,774.14/167,877.76
  6. Step 6: Final answer
    x = 125,258.54

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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.