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Finding the Fourth Proportional to 70,084.45, 105,143.42 and 23,337.73

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Solution

The fourth proportional to 70,084.45, 105,143.42 and 23,337.73 is: 35,012.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,084.45 : 105,143.42 = 23,337.73 : x
  2. Step 2: Convert to fraction form
    70,084.45/105,143.42 = 23,337.73/x
  3. Step 3: Cross multiply
    70,084.45x = 105,143.42 × 23,337.73
  4. Step 4: Simplify right side
    70,084.45x = 2,453,808,747.24
  5. Step 5: Solve for x
    x = 2,453,808,747.24/70,084.45
  6. Step 6: Final answer
    x = 35,012.17

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1.5x scale

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.