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Finding the Fourth Proportional to 74,560.98, 102,927.74 and 49,080.72

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Solution

The fourth proportional to 74,560.98, 102,927.74 and 49,080.72 is: 67,753.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,560.98 : 102,927.74 = 49,080.72 : x
  2. Step 2: Convert to fraction form
    74,560.98/102,927.74 = 49,080.72/x
  3. Step 3: Cross multiply
    74,560.98x = 102,927.74 × 49,080.72
  4. Step 4: Simplify right side
    74,560.98x = 5,051,767,721.05
  5. Step 5: Solve for x
    x = 5,051,767,721.05/74,560.98
  6. Step 6: Final answer
    x = 67,753.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.