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Finding the Fourth Proportional to 181,913.96, 251,048.80 and 101,341.44

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Solution

The fourth proportional to 181,913.96, 251,048.80 and 101,341.44 is: 139,855.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,913.96 : 251,048.80 = 101,341.44 : x
  2. Step 2: Convert to fraction form
    181,913.96/251,048.80 = 101,341.44/x
  3. Step 3: Cross multiply
    181,913.96x = 251,048.80 × 101,341.44
  4. Step 4: Simplify right side
    181,913.96x = 25,441,646,902.27
  5. Step 5: Solve for x
    x = 25,441,646,902.27/181,913.96
  6. Step 6: Final answer
    x = 139,855.38

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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.