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Finding the Fourth Proportional to 77,401.79, 116,102.23 and 24,811.12

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Solution

The fourth proportional to 77,401.79, 116,102.23 and 24,811.12 is: 37,216.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,401.79 : 116,102.23 = 24,811.12 : x
  2. Step 2: Convert to fraction form
    77,401.79/116,102.23 = 24,811.12/x
  3. Step 3: Cross multiply
    77,401.79x = 116,102.23 × 24,811.12
  4. Step 4: Simplify right side
    77,401.79x = 2,880,626,443.90
  5. Step 5: Solve for x
    x = 2,880,626,443.90/77,401.79
  6. Step 6: Final answer
    x = 37,216.54

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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.