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Finding the Fourth Proportional to 114,652.35, 171,533.56 and 100,505.97

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Solution

The fourth proportional to 114,652.35, 171,533.56 and 100,505.97 is: 150,368.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,652.35 : 171,533.56 = 100,505.97 : x
  2. Step 2: Convert to fraction form
    114,652.35/171,533.56 = 100,505.97/x
  3. Step 3: Cross multiply
    114,652.35x = 171,533.56 × 100,505.97
  4. Step 4: Simplify right side
    114,652.35x = 17,240,145,726.42
  5. Step 5: Solve for x
    x = 17,240,145,726.42/114,652.35
  6. Step 6: Final answer
    x = 150,368.89

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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.