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Finding the Fourth Proportional to 92,205.95, 127,242.77 and 51,919.58

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Solution

The fourth proportional to 92,205.95, 127,242.77 and 51,919.58 is: 71,648.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,205.95 : 127,242.77 = 51,919.58 : x
  2. Step 2: Convert to fraction form
    92,205.95/127,242.77 = 51,919.58/x
  3. Step 3: Cross multiply
    92,205.95x = 127,242.77 × 51,919.58
  4. Step 4: Simplify right side
    92,205.95x = 6,606,391,234.95
  5. Step 5: Solve for x
    x = 6,606,391,234.95/92,205.95
  6. Step 6: Final answer
    x = 71,648.21

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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.