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Finding the Fourth Proportional to 150,393.20, 207,486.85 and 96,707.82

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Solution

The fourth proportional to 150,393.20, 207,486.85 and 96,707.82 is: 133,420.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,393.20 : 207,486.85 = 96,707.82 : x
  2. Step 2: Convert to fraction form
    150,393.20/207,486.85 = 96,707.82/x
  3. Step 3: Cross multiply
    150,393.20x = 207,486.85 × 96,707.82
  4. Step 4: Simplify right side
    150,393.20x = 20,065,600,458.63
  5. Step 5: Solve for x
    x = 20,065,600,458.63/150,393.20
  6. Step 6: Final answer
    x = 133,420.93

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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.