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Finding the Fourth Proportional to 150,270.85, 207,373.77 and 86,612.75

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Solution

The fourth proportional to 150,270.85, 207,373.77 and 86,612.75 is: 119,525.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,270.85 : 207,373.77 = 86,612.75 : x
  2. Step 2: Convert to fraction form
    150,270.85/207,373.77 = 86,612.75/x
  3. Step 3: Cross multiply
    150,270.85x = 207,373.77 × 86,612.75
  4. Step 4: Simplify right side
    150,270.85x = 17,961,211,460.70
  5. Step 5: Solve for x
    x = 17,961,211,460.70/150,270.85
  6. Step 6: Final answer
    x = 119,525.59

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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.