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Finding the Fourth Proportional to 92,498.90, 127,648.80 and 50,057.42

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Solution

The fourth proportional to 92,498.90, 127,648.80 and 50,057.42 is: 69,079.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,498.90 : 127,648.80 = 50,057.42 : x
  2. Step 2: Convert to fraction form
    92,498.90/127,648.80 = 50,057.42/x
  3. Step 3: Cross multiply
    92,498.90x = 127,648.80 × 50,057.42
  4. Step 4: Simplify right side
    92,498.90x = 6,389,769,594.10
  5. Step 5: Solve for x
    x = 6,389,769,594.10/92,498.90
  6. Step 6: Final answer
    x = 69,079.41

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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.