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Finding the Fourth Proportional to 122,369.18, 183,687.88 and 97,230.30

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Solution

The fourth proportional to 122,369.18, 183,687.88 and 97,230.30 is: 145,952.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,369.18 : 183,687.88 = 97,230.30 : x
  2. Step 2: Convert to fraction form
    122,369.18/183,687.88 = 97,230.30/x
  3. Step 3: Cross multiply
    122,369.18x = 183,687.88 × 97,230.30
  4. Step 4: Simplify right side
    122,369.18x = 17,860,027,172.33
  5. Step 5: Solve for x
    x = 17,860,027,172.33/122,369.18
  6. Step 6: Final answer
    x = 145,952.00

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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.