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Finding the Fourth Proportional to 89,914.50, 134,878.23 and 34,510.50

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Solution

The fourth proportional to 89,914.50, 134,878.23 and 34,510.50 is: 51,768.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,914.50 : 134,878.23 = 34,510.50 : x
  2. Step 2: Convert to fraction form
    89,914.50/134,878.23 = 34,510.50/x
  3. Step 3: Cross multiply
    89,914.50x = 134,878.23 × 34,510.50
  4. Step 4: Simplify right side
    89,914.50x = 4,654,715,156.42
  5. Step 5: Solve for x
    x = 4,654,715,156.42/89,914.50
  6. Step 6: Final answer
    x = 51,768.24

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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.