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Finding the Fourth Proportional to 294,370.01, 441,643.70 and 91,957.94

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Solution

The fourth proportional to 294,370.01, 441,643.70 and 91,957.94 is: 137,964.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,370.01 : 441,643.70 = 91,957.94 : x
  2. Step 2: Convert to fraction form
    294,370.01/441,643.70 = 91,957.94/x
  3. Step 3: Cross multiply
    294,370.01x = 441,643.70 × 91,957.94
  4. Step 4: Simplify right side
    294,370.01x = 40,612,645,015.01
  5. Step 5: Solve for x
    x = 40,612,645,015.01/294,370.01
  6. Step 6: Final answer
    x = 137,964.61

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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.