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Finding the Fourth Proportional to 122,997.60, 184,539.60 and 52,898.40

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Solution

The fourth proportional to 122,997.60, 184,539.60 and 52,898.40 is: 79,366.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,997.60 : 184,539.60 = 52,898.40 : x
  2. Step 2: Convert to fraction form
    122,997.60/184,539.60 = 52,898.40/x
  3. Step 3: Cross multiply
    122,997.60x = 184,539.60 × 52,898.40
  4. Step 4: Simplify right side
    122,997.60x = 9,761,849,576.64
  5. Step 5: Solve for x
    x = 9,761,849,576.64/122,997.60
  6. Step 6: Final answer
    x = 79,366.18

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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.