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Finding the Fourth Proportional to 114,602.20, 171,903.30 and 79,610.20

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Solution

The fourth proportional to 114,602.20, 171,903.30 and 79,610.20 is: 119,415.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,602.20 : 171,903.30 = 79,610.20 : x
  2. Step 2: Convert to fraction form
    114,602.20/171,903.30 = 79,610.20/x
  3. Step 3: Cross multiply
    114,602.20x = 171,903.30 × 79,610.20
  4. Step 4: Simplify right side
    114,602.20x = 13,685,256,093.66
  5. Step 5: Solve for x
    x = 13,685,256,093.66/114,602.20
  6. Step 6: Final answer
    x = 119,415.30

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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.