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Finding the Fourth Proportional to 103,477.93, 155,216.82 and 27,576.49

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Solution

The fourth proportional to 103,477.93, 155,216.82 and 27,576.49 is: 41,364.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,477.93 : 155,216.82 = 27,576.49 : x
  2. Step 2: Convert to fraction form
    103,477.93/155,216.82 = 27,576.49/x
  3. Step 3: Cross multiply
    103,477.93x = 155,216.82 × 27,576.49
  4. Step 4: Simplify right side
    103,477.93x = 4,280,335,084.56
  5. Step 5: Solve for x
    x = 4,280,335,084.56/103,477.93
  6. Step 6: Final answer
    x = 41,364.72

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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.