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Finding the Fourth Proportional to 104,401.32, 144,193.44 and 68,750.68

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Solution

The fourth proportional to 104,401.32, 144,193.44 and 68,750.68 is: 94,954.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,401.32 : 144,193.44 = 68,750.68 : x
  2. Step 2: Convert to fraction form
    104,401.32/144,193.44 = 68,750.68/x
  3. Step 3: Cross multiply
    104,401.32x = 144,193.44 × 68,750.68
  4. Step 4: Simplify right side
    104,401.32x = 9,913,397,051.54
  5. Step 5: Solve for x
    x = 9,913,397,051.54/104,401.32
  6. Step 6: Final answer
    x = 94,954.71

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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.