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Finding the Fourth Proportional to 92,012.94, 126,969.03 and 51,717.42

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Solution

The fourth proportional to 92,012.94, 126,969.03 and 51,717.42 is: 71,365.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,012.94 : 126,969.03 = 51,717.42 : x
  2. Step 2: Convert to fraction form
    92,012.94/126,969.03 = 51,717.42/x
  3. Step 3: Cross multiply
    92,012.94x = 126,969.03 × 51,717.42
  4. Step 4: Simplify right side
    92,012.94x = 6,566,510,651.50
  5. Step 5: Solve for x
    x = 6,566,510,651.50/92,012.94
  6. Step 6: Final answer
    x = 71,365.08

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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.