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Finding the Fourth Proportional to 92,401.99, 127,514.50 and 49,960.51

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Solution

The fourth proportional to 92,401.99, 127,514.50 and 49,960.51 is: 68,945.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,401.99 : 127,514.50 = 49,960.51 : x
  2. Step 2: Convert to fraction form
    92,401.99/127,514.50 = 49,960.51/x
  3. Step 3: Cross multiply
    92,401.99x = 127,514.50 × 49,960.51
  4. Step 4: Simplify right side
    92,401.99x = 6,370,689,452.40
  5. Step 5: Solve for x
    x = 6,370,689,452.40/92,401.99
  6. Step 6: Final answer
    x = 68,945.37

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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.