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Finding the Fourth Proportional to 150,674.53, 207,940.21 and 99,598.69

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Solution

The fourth proportional to 150,674.53, 207,940.21 and 99,598.69 is: 137,452.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,674.53 : 207,940.21 = 99,598.69 : x
  2. Step 2: Convert to fraction form
    150,674.53/207,940.21 = 99,598.69/x
  3. Step 3: Cross multiply
    150,674.53x = 207,940.21 × 99,598.69
  4. Step 4: Simplify right side
    150,674.53x = 20,710,572,500.66
  5. Step 5: Solve for x
    x = 20,710,572,500.66/150,674.53
  6. Step 6: Final answer
    x = 137,452.38

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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.