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Finding the Fourth Proportional to 105,617.68, 158,450.16 and 35,495.08

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Solution

The fourth proportional to 105,617.68, 158,450.16 and 35,495.08 is: 53,250.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,617.68 : 158,450.16 = 35,495.08 : x
  2. Step 2: Convert to fraction form
    105,617.68/158,450.16 = 35,495.08/x
  3. Step 3: Cross multiply
    105,617.68x = 158,450.16 × 35,495.08
  4. Step 4: Simplify right side
    105,617.68x = 5,624,201,105.21
  5. Step 5: Solve for x
    x = 5,624,201,105.21/105,617.68
  6. Step 6: Final answer
    x = 53,250.56

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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.