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Finding the Fourth Proportional to 180,381.57, 270,551.62 and 47,272.32

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Solution

The fourth proportional to 180,381.57, 270,551.62 and 47,272.32 is: 70,903.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,381.57 : 270,551.62 = 47,272.32 : x
  2. Step 2: Convert to fraction form
    180,381.57/270,551.62 = 47,272.32/x
  3. Step 3: Cross multiply
    180,381.57x = 270,551.62 × 47,272.32
  4. Step 4: Simplify right side
    180,381.57x = 12,789,602,757.16
  5. Step 5: Solve for x
    x = 12,789,602,757.16/180,381.57
  6. Step 6: Final answer
    x = 70,903.05

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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.