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Finding the Fourth Proportional to 70,366.53, 105,550.72 and 22,981.26

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Solution

The fourth proportional to 70,366.53, 105,550.72 and 22,981.26 is: 34,472.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,366.53 : 105,550.72 = 22,981.26 : x
  2. Step 2: Convert to fraction form
    70,366.53/105,550.72 = 22,981.26/x
  3. Step 3: Cross multiply
    70,366.53x = 105,550.72 × 22,981.26
  4. Step 4: Simplify right side
    70,366.53x = 2,425,688,877.87
  5. Step 5: Solve for x
    x = 2,425,688,877.87/70,366.53
  6. Step 6: Final answer
    x = 34,472.20

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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.