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Finding the Fourth Proportional to 150,407.95, 207,657.35 and 96,786.15

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Solution

The fourth proportional to 150,407.95, 207,657.35 and 96,786.15 is: 133,625.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,407.95 : 207,657.35 = 96,786.15 : x
  2. Step 2: Convert to fraction form
    150,407.95/207,657.35 = 96,786.15/x
  3. Step 3: Cross multiply
    150,407.95x = 207,657.35 × 96,786.15
  4. Step 4: Simplify right side
    150,407.95x = 20,098,355,425.70
  5. Step 5: Solve for x
    x = 20,098,355,425.70/150,407.95
  6. Step 6: Final answer
    x = 133,625.62

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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.