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Finding the Fourth Proportional to 92,706.54, 127,936 and 54,467.66

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Solution

The fourth proportional to 92,706.54, 127,936 and 54,467.66 is: 75,165.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,706.54 : 127,936 = 54,467.66 : x
  2. Step 2: Convert to fraction form
    92,706.54/127,936 = 54,467.66/x
  3. Step 3: Cross multiply
    92,706.54x = 127,936 × 54,467.66
  4. Step 4: Simplify right side
    92,706.54x = 6,968,374,549.76
  5. Step 5: Solve for x
    x = 6,968,374,549.76/92,706.54
  6. Step 6: Final answer
    x = 75,165.94

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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.