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Finding the Fourth Proportional to 122,475, 183,799.98 and 60,189.24

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Solution

The fourth proportional to 122,475, 183,799.98 and 60,189.24 is: 90,326.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,475 : 183,799.98 = 60,189.24 : x
  2. Step 2: Convert to fraction form
    122,475/183,799.98 = 60,189.24/x
  3. Step 3: Cross multiply
    122,475x = 183,799.98 × 60,189.24
  4. Step 4: Simplify right side
    122,475x = 11,062,781,108.22
  5. Step 5: Solve for x
    x = 11,062,781,108.22/122,475
  6. Step 6: Final answer
    x = 90,326.85

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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.