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Finding the Fourth Proportional to 238,675.46, 329,290.16 and 147,998.79

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Solution

The fourth proportional to 238,675.46, 329,290.16 and 147,998.79 is: 204,187.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,675.46 : 329,290.16 = 147,998.79 : x
  2. Step 2: Convert to fraction form
    238,675.46/329,290.16 = 147,998.79/x
  3. Step 3: Cross multiply
    238,675.46x = 329,290.16 × 147,998.79
  4. Step 4: Simplify right side
    238,675.46x = 48,734,544,498.91
  5. Step 5: Solve for x
    x = 48,734,544,498.91/238,675.46
  6. Step 6: Final answer
    x = 204,187.50

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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.