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Finding the Fourth Proportional to 294,423.90, 441,693.45 and 125,943.90

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Solution

The fourth proportional to 294,423.90, 441,693.45 and 125,943.90 is: 188,940.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,423.90 : 441,693.45 = 125,943.90 : x
  2. Step 2: Convert to fraction form
    294,423.90/441,693.45 = 125,943.90/x
  3. Step 3: Cross multiply
    294,423.90x = 441,693.45 × 125,943.90
  4. Step 4: Simplify right side
    294,423.90x = 55,628,595,697.46
  5. Step 5: Solve for x
    x = 55,628,595,697.46/294,423.90
  6. Step 6: Final answer
    x = 188,940.49

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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.