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Finding the Fourth Proportional to 294,068.88, 441,147.06 and 136,313.28

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Solution

The fourth proportional to 294,068.88, 441,147.06 and 136,313.28 is: 204,490.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,068.88 : 441,147.06 = 136,313.28 : x
  2. Step 2: Convert to fraction form
    294,068.88/441,147.06 = 136,313.28/x
  3. Step 3: Cross multiply
    294,068.88x = 441,147.06 × 136,313.28
  4. Step 4: Simplify right side
    294,068.88x = 60,134,202,710.96
  5. Step 5: Solve for x
    x = 60,134,202,710.96/294,068.88
  6. Step 6: Final answer
    x = 204,490.20

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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.