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Finding the Fourth Proportional to 263,988.95, 395,808.50 and 95,487.10

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Solution

The fourth proportional to 263,988.95, 395,808.50 and 95,487.10 is: 143,167.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,988.95 : 395,808.50 = 95,487.10 : x
  2. Step 2: Convert to fraction form
    263,988.95/395,808.50 = 95,487.10/x
  3. Step 3: Cross multiply
    263,988.95x = 395,808.50 × 95,487.10
  4. Step 4: Simplify right side
    263,988.95x = 37,794,605,069.55
  5. Step 5: Solve for x
    x = 37,794,605,069.55/263,988.95
  6. Step 6: Final answer
    x = 143,167.38

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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.