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Finding the Fourth Proportional to 92,769.21, 139,195.34 and 53,326.32

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Solution

The fourth proportional to 92,769.21, 139,195.34 and 53,326.32 is: 80,013.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,769.21 : 139,195.34 = 53,326.32 : x
  2. Step 2: Convert to fraction form
    92,769.21/139,195.34 = 53,326.32/x
  3. Step 3: Cross multiply
    92,769.21x = 139,195.34 × 53,326.32
  4. Step 4: Simplify right side
    92,769.21x = 7,422,775,243.35
  5. Step 5: Solve for x
    x = 7,422,775,243.35/92,769.21
  6. Step 6: Final answer
    x = 80,013.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.