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Finding the Fourth Proportional to 70,671.88, 106,021.32 and 23,300.62

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Solution

The fourth proportional to 70,671.88, 106,021.32 and 23,300.62 is: 34,955.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,671.88 : 106,021.32 = 23,300.62 : x
  2. Step 2: Convert to fraction form
    70,671.88/106,021.32 = 23,300.62/x
  3. Step 3: Cross multiply
    70,671.88x = 106,021.32 × 23,300.62
  4. Step 4: Simplify right side
    70,671.88x = 2,470,362,489.22
  5. Step 5: Solve for x
    x = 2,470,362,489.22/70,671.88
  6. Step 6: Final answer
    x = 34,955.38

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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.