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Finding the Fourth Proportional to 181,485.94, 250,433.49 and 168,111.22

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Solution

The fourth proportional to 181,485.94, 250,433.49 and 168,111.22 is: 231,977.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,485.94 : 250,433.49 = 168,111.22 : x
  2. Step 2: Convert to fraction form
    181,485.94/250,433.49 = 168,111.22/x
  3. Step 3: Cross multiply
    181,485.94x = 250,433.49 × 168,111.22
  4. Step 4: Simplify right side
    181,485.94x = 42,100,679,532.76
  5. Step 5: Solve for x
    x = 42,100,679,532.76/181,485.94
  6. Step 6: Final answer
    x = 231,977.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.