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Finding the Fourth Proportional to 180,927.20, 271,563.60 and 154,661.60

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Solution

The fourth proportional to 180,927.20, 271,563.60 and 154,661.60 is: 232,140.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,927.20 : 271,563.60 = 154,661.60 : x
  2. Step 2: Convert to fraction form
    180,927.20/271,563.60 = 154,661.60/x
  3. Step 3: Cross multiply
    180,927.20x = 271,563.60 × 154,661.60
  4. Step 4: Simplify right side
    180,927.20x = 42,000,460,877.76
  5. Step 5: Solve for x
    x = 42,000,460,877.76/180,927.20
  6. Step 6: Final answer
    x = 232,140.11

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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.