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Finding the Fourth Proportional to 69,506.78, 104,260.14 and 60,118.89

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Solution

The fourth proportional to 69,506.78, 104,260.14 and 60,118.89 is: 90,178.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,506.78 : 104,260.14 = 60,118.89 : x
  2. Step 2: Convert to fraction form
    69,506.78/104,260.14 = 60,118.89/x
  3. Step 3: Cross multiply
    69,506.78x = 104,260.14 × 60,118.89
  4. Step 4: Simplify right side
    69,506.78x = 6,268,003,497.07
  5. Step 5: Solve for x
    x = 6,268,003,497.07/69,506.78
  6. Step 6: Final answer
    x = 90,178.31

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1.5x scale

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.