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Finding the Fourth Proportional to 239,015.93, 329,829.10 and 137,036.48

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Solution

The fourth proportional to 239,015.93, 329,829.10 and 137,036.48 is: 189,102.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,015.93 : 329,829.10 = 137,036.48 : x
  2. Step 2: Convert to fraction form
    239,015.93/329,829.10 = 137,036.48/x
  3. Step 3: Cross multiply
    239,015.93x = 329,829.10 × 137,036.48
  4. Step 4: Simplify right side
    239,015.93x = 45,198,616,873.83
  5. Step 5: Solve for x
    x = 45,198,616,873.83/239,015.93
  6. Step 6: Final answer
    x = 189,102.95

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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.