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Finding the Fourth Proportional to 183,440.40, 275,000.60 and 71,197.20

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Solution

The fourth proportional to 183,440.40, 275,000.60 and 71,197.20 is: 106,733.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,440.40 : 275,000.60 = 71,197.20 : x
  2. Step 2: Convert to fraction form
    183,440.40/275,000.60 = 71,197.20/x
  3. Step 3: Cross multiply
    183,440.40x = 275,000.60 × 71,197.20
  4. Step 4: Simplify right side
    183,440.40x = 19,579,272,718.32
  5. Step 5: Solve for x
    x = 19,579,272,718.32/183,440.40
  6. Step 6: Final answer
    x = 106,733.70

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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.