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Finding the Fourth Proportional to 239,053.44, 329,848.68 and 148,431.45

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Solution

The fourth proportional to 239,053.44, 329,848.68 and 148,431.45 is: 204,807.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,053.44 : 329,848.68 = 148,431.45 : x
  2. Step 2: Convert to fraction form
    239,053.44/329,848.68 = 148,431.45/x
  3. Step 3: Cross multiply
    239,053.44x = 329,848.68 × 148,431.45
  4. Step 4: Simplify right side
    239,053.44x = 48,959,917,852.99
  5. Step 5: Solve for x
    x = 48,959,917,852.99/239,053.44
  6. Step 6: Final answer
    x = 204,807.42

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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.