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Finding the Fourth Proportional to 180,563.36, 270,888.84 and 54,203.36

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Solution

The fourth proportional to 180,563.36, 270,888.84 and 54,203.36 is: 81,318.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,563.36 : 270,888.84 = 54,203.36 : x
  2. Step 2: Convert to fraction form
    180,563.36/270,888.84 = 54,203.36/x
  3. Step 3: Cross multiply
    180,563.36x = 270,888.84 × 54,203.36
  4. Step 4: Simplify right side
    180,563.36x = 14,683,083,960.06
  5. Step 5: Solve for x
    x = 14,683,083,960.06/180,563.36
  6. Step 6: Final answer
    x = 81,318.18

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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.