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Finding the Fourth Proportional to 111,465.06, 167,240.28 and 67,123.50

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Solution

The fourth proportional to 111,465.06, 167,240.28 and 67,123.50 is: 100,710.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,465.06 : 167,240.28 = 67,123.50 : x
  2. Step 2: Convert to fraction form
    111,465.06/167,240.28 = 67,123.50/x
  3. Step 3: Cross multiply
    111,465.06x = 167,240.28 × 67,123.50
  4. Step 4: Simplify right side
    111,465.06x = 11,225,752,934.58
  5. Step 5: Solve for x
    x = 11,225,752,934.58/111,465.06
  6. Step 6: Final answer
    x = 100,710.96

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.