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Finding the Fourth Proportional to 180,699.88, 271,050.46 and 127,949.80

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Solution

The fourth proportional to 180,699.88, 271,050.46 and 127,949.80 is: 191,925.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,699.88 : 271,050.46 = 127,949.80 : x
  2. Step 2: Convert to fraction form
    180,699.88/271,050.46 = 127,949.80/x
  3. Step 3: Cross multiply
    180,699.88x = 271,050.46 × 127,949.80
  4. Step 4: Simplify right side
    180,699.88x = 34,680,852,146.91
  5. Step 5: Solve for x
    x = 34,680,852,146.91/180,699.88
  6. Step 6: Final answer
    x = 191,925.15

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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.