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Finding the Fourth Proportional to 92,104.68, 127,115.76 and 51,820.20

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Solution

The fourth proportional to 92,104.68, 127,115.76 and 51,820.20 is: 71,518.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,104.68 : 127,115.76 = 51,820.20 : x
  2. Step 2: Convert to fraction form
    92,104.68/127,115.76 = 51,820.20/x
  3. Step 3: Cross multiply
    92,104.68x = 127,115.76 × 51,820.20
  4. Step 4: Simplify right side
    92,104.68x = 6,587,164,106.35
  5. Step 5: Solve for x
    x = 6,587,164,106.35/92,104.68
  6. Step 6: Final answer
    x = 71,518.23

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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.