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Finding the Fourth Proportional to 122,175.60, 183,263.40 and 43,297.80

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Solution

The fourth proportional to 122,175.60, 183,263.40 and 43,297.80 is: 64,946.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,175.60 : 183,263.40 = 43,297.80 : x
  2. Step 2: Convert to fraction form
    122,175.60/183,263.40 = 43,297.80/x
  3. Step 3: Cross multiply
    122,175.60x = 183,263.40 × 43,297.80
  4. Step 4: Simplify right side
    122,175.60x = 7,934,902,040.52
  5. Step 5: Solve for x
    x = 7,934,902,040.52/122,175.60
  6. Step 6: Final answer
    x = 64,946.70

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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.