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Finding the Fourth Proportional to 114,633.30, 171,621.90 and 101,511.30

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Solution

The fourth proportional to 114,633.30, 171,621.90 and 101,511.30 is: 151,976.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,633.30 : 171,621.90 = 101,511.30 : x
  2. Step 2: Convert to fraction form
    114,633.30/171,621.90 = 101,511.30/x
  3. Step 3: Cross multiply
    114,633.30x = 171,621.90 × 101,511.30
  4. Step 4: Simplify right side
    114,633.30x = 17,421,562,177.47
  5. Step 5: Solve for x
    x = 17,421,562,177.47/114,633.30
  6. Step 6: Final answer
    x = 151,976.45

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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.