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Finding the Fourth Proportional to 181,685.16, 250,737.30 and 101,112.44

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Solution

The fourth proportional to 181,685.16, 250,737.30 and 101,112.44 is: 139,541.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,685.16 : 250,737.30 = 101,112.44 : x
  2. Step 2: Convert to fraction form
    181,685.16/250,737.30 = 101,112.44/x
  3. Step 3: Cross multiply
    181,685.16x = 250,737.30 × 101,112.44
  4. Step 4: Simplify right side
    181,685.16x = 25,352,660,202.01
  5. Step 5: Solve for x
    x = 25,352,660,202.01/181,685.16
  6. Step 6: Final answer
    x = 139,541.72

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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.