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Finding the Fourth Proportional to 263,880, 364,152.35 and 143,018.19

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Solution

The fourth proportional to 263,880, 364,152.35 and 143,018.19 is: 197,363.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,880 : 364,152.35 = 143,018.19 : x
  2. Step 2: Convert to fraction form
    263,880/364,152.35 = 143,018.19/x
  3. Step 3: Cross multiply
    263,880x = 364,152.35 × 143,018.19
  4. Step 4: Simplify right side
    263,880x = 52,080,410,338.79
  5. Step 5: Solve for x
    x = 52,080,410,338.79/263,880
  6. Step 6: Final answer
    x = 197,363.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.