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Finding the Fourth Proportional to 70,009.67, 104,981.68 and 25,605.37

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Solution

The fourth proportional to 70,009.67, 104,981.68 and 25,605.37 is: 38,396.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,009.67 : 104,981.68 = 25,605.37 : x
  2. Step 2: Convert to fraction form
    70,009.67/104,981.68 = 25,605.37/x
  3. Step 3: Cross multiply
    70,009.67x = 104,981.68 × 25,605.37
  4. Step 4: Simplify right side
    70,009.67x = 2,688,094,433.15
  5. Step 5: Solve for x
    x = 2,688,094,433.15/70,009.67
  6. Step 6: Final answer
    x = 38,396.04

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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.