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Finding the Fourth Proportional to 109,379.04, 150,945.44 and 60,984

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Solution

The fourth proportional to 109,379.04, 150,945.44 and 60,984 is: 84,159.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,379.04 : 150,945.44 = 60,984 : x
  2. Step 2: Convert to fraction form
    109,379.04/150,945.44 = 60,984/x
  3. Step 3: Cross multiply
    109,379.04x = 150,945.44 × 60,984
  4. Step 4: Simplify right side
    109,379.04x = 9,205,256,712.96
  5. Step 5: Solve for x
    x = 9,205,256,712.96/109,379.04
  6. Step 6: Final answer
    x = 84,159.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.