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Finding the Fourth Proportional to 74,706.16, 103,094.52 and 41,172.16

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Solution

The fourth proportional to 74,706.16, 103,094.52 and 41,172.16 is: 56,817.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,706.16 : 103,094.52 = 41,172.16 : x
  2. Step 2: Convert to fraction form
    74,706.16/103,094.52 = 41,172.16/x
  3. Step 3: Cross multiply
    74,706.16x = 103,094.52 × 41,172.16
  4. Step 4: Simplify right side
    74,706.16x = 4,244,624,072.56
  5. Step 5: Solve for x
    x = 4,244,624,072.56/74,706.16
  6. Step 6: Final answer
    x = 56,817.59

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1.5x scale

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.