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Finding the Fourth Proportional to 122,011.60, 182,871.60 and 62,816.80

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Solution

The fourth proportional to 122,011.60, 182,871.60 and 62,816.80 is: 94,150.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,011.60 : 182,871.60 = 62,816.80 : x
  2. Step 2: Convert to fraction form
    122,011.60/182,871.60 = 62,816.80/x
  3. Step 3: Cross multiply
    122,011.60x = 182,871.60 × 62,816.80
  4. Step 4: Simplify right side
    122,011.60x = 11,487,408,722.88
  5. Step 5: Solve for x
    x = 11,487,408,722.88/122,011.60
  6. Step 6: Final answer
    x = 94,150.14

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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.