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Finding the Fourth Proportional to 92,111.42, 127,104.69 and 51,824.30

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Solution

The fourth proportional to 92,111.42, 127,104.69 and 51,824.30 is: 71,512.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,111.42 : 127,104.69 = 51,824.30 : x
  2. Step 2: Convert to fraction form
    92,111.42/127,104.69 = 51,824.30/x
  3. Step 3: Cross multiply
    92,111.42x = 127,104.69 × 51,824.30
  4. Step 4: Simplify right side
    92,111.42x = 6,587,110,950.44
  5. Step 5: Solve for x
    x = 6,587,110,950.44/92,111.42
  6. Step 6: Final answer
    x = 71,512.42

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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.