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Finding the Fourth Proportional to 294,730.17, 442,095.19 and 126,141.17

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Solution

The fourth proportional to 294,730.17, 442,095.19 and 126,141.17 is: 189,211.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,730.17 : 442,095.19 = 126,141.17 : x
  2. Step 2: Convert to fraction form
    294,730.17/442,095.19 = 126,141.17/x
  3. Step 3: Cross multiply
    294,730.17x = 442,095.19 × 126,141.17
  4. Step 4: Simplify right side
    294,730.17x = 55,766,405,602.94
  5. Step 5: Solve for x
    x = 55,766,405,602.94/294,730.17
  6. Step 6: Final answer
    x = 189,211.73

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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.