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Finding the Fourth Proportional to 124,004.72, 185,978.84 and 35,236.22

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Solution

The fourth proportional to 124,004.72, 185,978.84 and 35,236.22 is: 52,846.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,004.72 : 185,978.84 = 35,236.22 : x
  2. Step 2: Convert to fraction form
    124,004.72/185,978.84 = 35,236.22/x
  3. Step 3: Cross multiply
    124,004.72x = 185,978.84 × 35,236.22
  4. Step 4: Simplify right side
    124,004.72x = 6,553,190,215.51
  5. Step 5: Solve for x
    x = 6,553,190,215.51/124,004.72
  6. Step 6: Final answer
    x = 52,846.30

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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.