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Finding the Fourth Proportional to 180,194.50, 270,291.78 and 55,535.50

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Solution

The fourth proportional to 180,194.50, 270,291.78 and 55,535.50 is: 83,303.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,194.50 : 270,291.78 = 55,535.50 : x
  2. Step 2: Convert to fraction form
    180,194.50/270,291.78 = 55,535.50/x
  3. Step 3: Cross multiply
    180,194.50x = 270,291.78 × 55,535.50
  4. Step 4: Simplify right side
    180,194.50x = 15,010,789,148.19
  5. Step 5: Solve for x
    x = 15,010,789,148.19/180,194.50
  6. Step 6: Final answer
    x = 83,303.26

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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.