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Finding the Fourth Proportional to 92,111.51, 127,104.86 and 51,824.41

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Solution

The fourth proportional to 92,111.51, 127,104.86 and 51,824.41 is: 71,512.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,111.51 : 127,104.86 = 51,824.41 : x
  2. Step 2: Convert to fraction form
    92,111.51/127,104.86 = 51,824.41/x
  3. Step 3: Cross multiply
    92,111.51x = 127,104.86 × 51,824.41
  4. Step 4: Simplify right side
    92,111.51x = 6,587,134,189.43
  5. Step 5: Solve for x
    x = 6,587,134,189.43/92,111.51
  6. Step 6: Final answer
    x = 71,512.60

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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.