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Finding the Fourth Proportional to 294,074.88, 441,156.06 and 136,319.28

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Solution

The fourth proportional to 294,074.88, 441,156.06 and 136,319.28 is: 204,499.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,074.88 : 441,156.06 = 136,319.28 : x
  2. Step 2: Convert to fraction form
    294,074.88/441,156.06 = 136,319.28/x
  3. Step 3: Cross multiply
    294,074.88x = 441,156.06 × 136,319.28
  4. Step 4: Simplify right side
    294,074.88x = 60,138,076,466.84
  5. Step 5: Solve for x
    x = 60,138,076,466.84/294,074.88
  6. Step 6: Final answer
    x = 204,499.20

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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.