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Finding the Fourth Proportional to 92,168.37, 127,213.20 and 56,388.24

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Solution

The fourth proportional to 92,168.37, 127,213.20 and 56,388.24 is: 77,828.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,168.37 : 127,213.20 = 56,388.24 : x
  2. Step 2: Convert to fraction form
    92,168.37/127,213.20 = 56,388.24/x
  3. Step 3: Cross multiply
    92,168.37x = 127,213.20 × 56,388.24
  4. Step 4: Simplify right side
    92,168.37x = 7,173,328,452.77
  5. Step 5: Solve for x
    x = 7,173,328,452.77/92,168.37
  6. Step 6: Final answer
    x = 77,828.53

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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.