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Finding the Fourth Proportional to 104,254.60, 156,486.08 and 57,529.48

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Solution

The fourth proportional to 104,254.60, 156,486.08 and 57,529.48 is: 86,351.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,254.60 : 156,486.08 = 57,529.48 : x
  2. Step 2: Convert to fraction form
    104,254.60/156,486.08 = 57,529.48/x
  3. Step 3: Cross multiply
    104,254.60x = 156,486.08 × 57,529.48
  4. Step 4: Simplify right side
    104,254.60x = 9,002,562,809.64
  5. Step 5: Solve for x
    x = 9,002,562,809.64/104,254.60
  6. Step 6: Final answer
    x = 86,351.71

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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.