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Finding the Fourth Proportional to 181,525.80, 272,058.30 and 161,711.40

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Solution

The fourth proportional to 181,525.80, 272,058.30 and 161,711.40 is: 242,361.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,525.80 : 272,058.30 = 161,711.40 : x
  2. Step 2: Convert to fraction form
    181,525.80/272,058.30 = 161,711.40/x
  3. Step 3: Cross multiply
    181,525.80x = 272,058.30 × 161,711.40
  4. Step 4: Simplify right side
    181,525.80x = 43,994,928,574.62
  5. Step 5: Solve for x
    x = 43,994,928,574.62/181,525.80
  6. Step 6: Final answer
    x = 242,361.85

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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.