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Finding the Fourth Proportional to 104,114.70, 143,920.41 and 92,895.39

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Solution

The fourth proportional to 104,114.70, 143,920.41 and 92,895.39 is: 128,411.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,114.70 : 143,920.41 = 92,895.39 : x
  2. Step 2: Convert to fraction form
    104,114.70/143,920.41 = 92,895.39/x
  3. Step 3: Cross multiply
    104,114.70x = 143,920.41 × 92,895.39
  4. Step 4: Simplify right side
    104,114.70x = 13,369,542,615.91
  5. Step 5: Solve for x
    x = 13,369,542,615.91/104,114.70
  6. Step 6: Final answer
    x = 128,411.67

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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.