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Finding the Fourth Proportional to 263,903.87, 364,187.99 and 143,045.04

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Solution

The fourth proportional to 263,903.87, 364,187.99 and 143,045.04 is: 197,402.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,903.87 : 364,187.99 = 143,045.04 : x
  2. Step 2: Convert to fraction form
    263,903.87/364,187.99 = 143,045.04/x
  3. Step 3: Cross multiply
    263,903.87x = 364,187.99 × 143,045.04
  4. Step 4: Simplify right side
    263,903.87x = 52,095,284,881.84
  5. Step 5: Solve for x
    x = 52,095,284,881.84/263,903.87
  6. Step 6: Final answer
    x = 197,402.51

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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.