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Finding the Fourth Proportional to 111,313.71, 166,968.78 and 35,411.19

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Solution

The fourth proportional to 111,313.71, 166,968.78 and 35,411.19 is: 53,116.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,313.71 : 166,968.78 = 35,411.19 : x
  2. Step 2: Convert to fraction form
    111,313.71/166,968.78 = 35,411.19/x
  3. Step 3: Cross multiply
    111,313.71x = 166,968.78 × 35,411.19
  4. Step 4: Simplify right side
    111,313.71x = 5,912,563,192.65
  5. Step 5: Solve for x
    x = 5,912,563,192.65/111,313.71
  6. Step 6: Final answer
    x = 53,116.22

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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.