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Finding the Fourth Proportional to 101,104.63, 151,643.72 and 30,025.80

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Solution

The fourth proportional to 101,104.63, 151,643.72 and 30,025.80 is: 45,034.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,104.63 : 151,643.72 = 30,025.80 : x
  2. Step 2: Convert to fraction form
    101,104.63/151,643.72 = 30,025.80/x
  3. Step 3: Cross multiply
    101,104.63x = 151,643.72 × 30,025.80
  4. Step 4: Simplify right side
    101,104.63x = 4,553,224,083.04
  5. Step 5: Solve for x
    x = 4,553,224,083.04/101,104.63
  6. Step 6: Final answer
    x = 45,034.77

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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.