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Finding the Fourth Proportional to 109,571.40, 164,486.70 and 62,224.20

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Solution

The fourth proportional to 109,571.40, 164,486.70 and 62,224.20 is: 93,409.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,571.40 : 164,486.70 = 62,224.20 : x
  2. Step 2: Convert to fraction form
    109,571.40/164,486.70 = 62,224.20/x
  3. Step 3: Cross multiply
    109,571.40x = 164,486.70 × 62,224.20
  4. Step 4: Simplify right side
    109,571.40x = 10,235,053,318.14
  5. Step 5: Solve for x
    x = 10,235,053,318.14/109,571.40
  6. Step 6: Final answer
    x = 93,409.90

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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.