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Finding the Fourth Proportional to 144,908.34, 199,742.46 and 114,231.42

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Solution

The fourth proportional to 144,908.34, 199,742.46 and 114,231.42 is: 157,457.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,908.34 : 199,742.46 = 114,231.42 : x
  2. Step 2: Convert to fraction form
    144,908.34/199,742.46 = 114,231.42/x
  3. Step 3: Cross multiply
    144,908.34x = 199,742.46 × 114,231.42
  4. Step 4: Simplify right side
    144,908.34x = 22,816,864,840.09
  5. Step 5: Solve for x
    x = 22,816,864,840.09/144,908.34
  6. Step 6: Final answer
    x = 157,457.22

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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.