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Finding the Fourth Proportional to 337,099.60, 505,722.30 and 112,421.80

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Solution

The fourth proportional to 337,099.60, 505,722.30 and 112,421.80 is: 168,657.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,099.60 : 505,722.30 = 112,421.80 : x
  2. Step 2: Convert to fraction form
    337,099.60/505,722.30 = 112,421.80/x
  3. Step 3: Cross multiply
    337,099.60x = 505,722.30 × 112,421.80
  4. Step 4: Simplify right side
    337,099.60x = 56,854,211,266.14
  5. Step 5: Solve for x
    x = 56,854,211,266.14/337,099.60
  6. Step 6: Final answer
    x = 168,657.01

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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.