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Finding the Fourth Proportional to 180,373.36, 270,559.80 and 72,351.48

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Solution

The fourth proportional to 180,373.36, 270,559.80 and 72,351.48 is: 108,527.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,373.36 : 270,559.80 = 72,351.48 : x
  2. Step 2: Convert to fraction form
    180,373.36/270,559.80 = 72,351.48/x
  3. Step 3: Cross multiply
    180,373.36x = 270,559.80 × 72,351.48
  4. Step 4: Simplify right side
    180,373.36x = 19,575,401,958.50
  5. Step 5: Solve for x
    x = 19,575,401,958.50/180,373.36
  6. Step 6: Final answer
    x = 108,527.12

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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.