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Finding the Fourth Proportional to 92,995.24, 128,361.54 and 63,204.52

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Solution

The fourth proportional to 92,995.24, 128,361.54 and 63,204.52 is: 87,241.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,995.24 : 128,361.54 = 63,204.52 : x
  2. Step 2: Convert to fraction form
    92,995.24/128,361.54 = 63,204.52/x
  3. Step 3: Cross multiply
    92,995.24x = 128,361.54 × 63,204.52
  4. Step 4: Simplify right side
    92,995.24x = 8,113,029,522.16
  5. Step 5: Solve for x
    x = 8,113,029,522.16/92,995.24
  6. Step 6: Final answer
    x = 87,241.34

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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.