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Finding the Fourth Proportional to 180,969.30, 271,583.55 and 101,999.70

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Solution

The fourth proportional to 180,969.30, 271,583.55 and 101,999.70 is: 153,072.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,969.30 : 271,583.55 = 101,999.70 : x
  2. Step 2: Convert to fraction form
    180,969.30/271,583.55 = 101,999.70/x
  3. Step 3: Cross multiply
    180,969.30x = 271,583.55 × 101,999.70
  4. Step 4: Simplify right side
    180,969.30x = 27,701,440,624.94
  5. Step 5: Solve for x
    x = 27,701,440,624.94/180,969.30
  6. Step 6: Final answer
    x = 153,072.60

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1.5x scale

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.