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Finding the Fourth Proportional to 239,589.54, 359,078.99 and 127,323.54

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Solution

The fourth proportional to 239,589.54, 359,078.99 and 127,323.54 is: 190,823.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,589.54 : 359,078.99 = 127,323.54 : x
  2. Step 2: Convert to fraction form
    239,589.54/359,078.99 = 127,323.54/x
  3. Step 3: Cross multiply
    239,589.54x = 359,078.99 × 127,323.54
  4. Step 4: Simplify right side
    239,589.54x = 45,719,207,509.81
  5. Step 5: Solve for x
    x = 45,719,207,509.81/239,589.54
  6. Step 6: Final answer
    x = 190,823.05

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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.