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Finding the Fourth Proportional to 235,136.42, 352,614.37 and 100,114.88

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Solution

The fourth proportional to 235,136.42, 352,614.37 and 100,114.88 is: 150,133.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,136.42 : 352,614.37 = 100,114.88 : x
  2. Step 2: Convert to fraction form
    235,136.42/352,614.37 = 100,114.88/x
  3. Step 3: Cross multiply
    235,136.42x = 352,614.37 × 100,114.88
  4. Step 4: Simplify right side
    235,136.42x = 35,301,945,970.07
  5. Step 5: Solve for x
    x = 35,301,945,970.07/235,136.42
  6. Step 6: Final answer
    x = 150,133.90

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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.