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Finding the Fourth Proportional to 180,803.20, 271,250 and 127,599.03

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Solution

The fourth proportional to 180,803.20, 271,250 and 127,599.03 is: 191,430.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,803.20 : 271,250 = 127,599.03 : x
  2. Step 2: Convert to fraction form
    180,803.20/271,250 = 127,599.03/x
  3. Step 3: Cross multiply
    180,803.20x = 271,250 × 127,599.03
  4. Step 4: Simplify right side
    180,803.20x = 34,611,236,887.50
  5. Step 5: Solve for x
    x = 34,611,236,887.50/180,803.20
  6. Step 6: Final answer
    x = 191,430.44

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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.