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Finding the Fourth Proportional to 101,795.95, 152,753.46 and 42,626.67

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Solution

The fourth proportional to 101,795.95, 152,753.46 and 42,626.67 is: 63,964.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,795.95 : 152,753.46 = 42,626.67 : x
  2. Step 2: Convert to fraction form
    101,795.95/152,753.46 = 42,626.67/x
  3. Step 3: Cross multiply
    101,795.95x = 152,753.46 × 42,626.67
  4. Step 4: Simplify right side
    101,795.95x = 6,511,371,330.78
  5. Step 5: Solve for x
    x = 6,511,371,330.78/101,795.95
  6. Step 6: Final answer
    x = 63,964.94

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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.