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Finding the Fourth Proportional to 122,300.33, 183,468.72 and 43,407.95

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Solution

The fourth proportional to 122,300.33, 183,468.72 and 43,407.95 is: 65,118.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,300.33 : 183,468.72 = 43,407.95 : x
  2. Step 2: Convert to fraction form
    122,300.33/183,468.72 = 43,407.95/x
  3. Step 3: Cross multiply
    122,300.33x = 183,468.72 × 43,407.95
  4. Step 4: Simplify right side
    122,300.33x = 7,963,999,889.94
  5. Step 5: Solve for x
    x = 7,963,999,889.94/122,300.33
  6. Step 6: Final answer
    x = 65,118.39

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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.