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Finding the Fourth Proportional to 180,401.58, 270,534.33 and 73,728.45

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Solution

The fourth proportional to 180,401.58, 270,534.33 and 73,728.45 is: 110,564.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,401.58 : 270,534.33 = 73,728.45 : x
  2. Step 2: Convert to fraction form
    180,401.58/270,534.33 = 73,728.45/x
  3. Step 3: Cross multiply
    180,401.58x = 270,534.33 × 73,728.45
  4. Step 4: Simplify right side
    180,401.58x = 19,946,076,822.69
  5. Step 5: Solve for x
    x = 19,946,076,822.69/180,401.58
  6. Step 6: Final answer
    x = 110,564.87

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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.