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Finding the Fourth Proportional to 150,487.95, 207,675.71 and 82,511.13

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Solution

The fourth proportional to 150,487.95, 207,675.71 and 82,511.13 is: 113,866.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,487.95 : 207,675.71 = 82,511.13 : x
  2. Step 2: Convert to fraction form
    150,487.95/207,675.71 = 82,511.13/x
  3. Step 3: Cross multiply
    150,487.95x = 207,675.71 × 82,511.13
  4. Step 4: Simplify right side
    150,487.95x = 17,135,556,054.72
  5. Step 5: Solve for x
    x = 17,135,556,054.72/150,487.95
  6. Step 6: Final answer
    x = 113,866.64

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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.