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Finding the Fourth Proportional to 92,612, 127,804.56 and 50,170.52

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Solution

The fourth proportional to 92,612, 127,804.56 and 50,170.52 is: 69,235.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,612 : 127,804.56 = 50,170.52 : x
  2. Step 2: Convert to fraction form
    92,612/127,804.56 = 50,170.52/x
  3. Step 3: Cross multiply
    92,612x = 127,804.56 × 50,170.52
  4. Step 4: Simplify right side
    92,612x = 6,412,021,233.57
  5. Step 5: Solve for x
    x = 6,412,021,233.57/92,612
  6. Step 6: Final answer
    x = 69,235.32

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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.