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Finding the Fourth Proportional to 239,400.99, 359,112.42 and 89,602.43

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Solution

The fourth proportional to 239,400.99, 359,112.42 and 89,602.43 is: 134,407.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,400.99 : 359,112.42 = 89,602.43 : x
  2. Step 2: Convert to fraction form
    239,400.99/359,112.42 = 89,602.43/x
  3. Step 3: Cross multiply
    239,400.99x = 359,112.42 × 89,602.43
  4. Step 4: Simplify right side
    239,400.99x = 32,177,343,679.62
  5. Step 5: Solve for x
    x = 32,177,343,679.62/239,400.99
  6. Step 6: Final answer
    x = 134,407.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.