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Finding the Fourth Proportional to 122,393.00, 183,608.01 and 43,488.47

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Solution

The fourth proportional to 122,393.00, 183,608.01 and 43,488.47 is: 65,239.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,393.00 : 183,608.01 = 43,488.47 : x
  2. Step 2: Convert to fraction form
    122,393.00/183,608.01 = 43,488.47/x
  3. Step 3: Cross multiply
    122,393.00x = 183,608.01 × 43,488.47
  4. Step 4: Simplify right side
    122,393.00x = 7,984,830,516.60
  5. Step 5: Solve for x
    x = 7,984,830,516.60/122,393.00
  6. Step 6: Final answer
    x = 65,239.28

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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.