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Finding the Fourth Proportional to 150,615.63, 207,847.82 and 86,952.06

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Solution

The fourth proportional to 150,615.63, 207,847.82 and 86,952.06 is: 119,992.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,615.63 : 207,847.82 = 86,952.06 : x
  2. Step 2: Convert to fraction form
    150,615.63/207,847.82 = 86,952.06/x
  3. Step 3: Cross multiply
    150,615.63x = 207,847.82 × 86,952.06
  4. Step 4: Simplify right side
    150,615.63x = 18,072,796,332.89
  5. Step 5: Solve for x
    x = 18,072,796,332.89/150,615.63
  6. Step 6: Final answer
    x = 119,992.83

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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.