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Finding the Fourth Proportional to 104,683.07, 144,401.13 and 65,859.17

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Solution

The fourth proportional to 104,683.07, 144,401.13 and 65,859.17 is: 90,846.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,683.07 : 144,401.13 = 65,859.17 : x
  2. Step 2: Convert to fraction form
    104,683.07/144,401.13 = 65,859.17/x
  3. Step 3: Cross multiply
    104,683.07x = 144,401.13 × 65,859.17
  4. Step 4: Simplify right side
    104,683.07x = 9,510,138,568.86
  5. Step 5: Solve for x
    x = 9,510,138,568.86/104,683.07
  6. Step 6: Final answer
    x = 90,846.96

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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.