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Finding the Fourth Proportional to 109,060.08, 150,502 and 61,313.64

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Solution

The fourth proportional to 109,060.08, 150,502 and 61,313.64 is: 84,612.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,060.08 : 150,502 = 61,313.64 : x
  2. Step 2: Convert to fraction form
    109,060.08/150,502 = 61,313.64/x
  3. Step 3: Cross multiply
    109,060.08x = 150,502 × 61,313.64
  4. Step 4: Simplify right side
    109,060.08x = 9,227,825,447.28
  5. Step 5: Solve for x
    x = 9,227,825,447.28/109,060.08
  6. Step 6: Final answer
    x = 84,612.31

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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.