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Finding the Fourth Proportional to 180,389.84, 270,598.86 and 60,447.20

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Solution

The fourth proportional to 180,389.84, 270,598.86 and 60,447.20 is: 90,675.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,389.84 : 270,598.86 = 60,447.20 : x
  2. Step 2: Convert to fraction form
    180,389.84/270,598.86 = 60,447.20/x
  3. Step 3: Cross multiply
    180,389.84x = 270,598.86 × 60,447.20
  4. Step 4: Simplify right side
    180,389.84x = 16,356,942,057.20
  5. Step 5: Solve for x
    x = 16,356,942,057.20/180,389.84
  6. Step 6: Final answer
    x = 90,675.52

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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.