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Finding the Fourth Proportional to 92,520.81, 127,678.82 and 50,079.24

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Solution

The fourth proportional to 92,520.81, 127,678.82 and 50,079.24 is: 69,109.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,520.81 : 127,678.82 = 50,079.24 : x
  2. Step 2: Convert to fraction form
    92,520.81/127,678.82 = 50,079.24/x
  3. Step 3: Cross multiply
    92,520.81x = 127,678.82 × 50,079.24
  4. Step 4: Simplify right side
    92,520.81x = 6,394,058,019.30
  5. Step 5: Solve for x
    x = 6,394,058,019.30/92,520.81
  6. Step 6: Final answer
    x = 69,109.40

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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.