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Finding the Fourth Proportional to 108,738.87, 150,059.84 and 60,992.07

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Solution

The fourth proportional to 108,738.87, 150,059.84 and 60,992.07 is: 84,169.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,738.87 : 150,059.84 = 60,992.07 : x
  2. Step 2: Convert to fraction form
    108,738.87/150,059.84 = 60,992.07/x
  3. Step 3: Cross multiply
    108,738.87x = 150,059.84 × 60,992.07
  4. Step 4: Simplify right side
    108,738.87x = 9,152,459,960.51
  5. Step 5: Solve for x
    x = 9,152,459,960.51/108,738.87
  6. Step 6: Final answer
    x = 84,169.17

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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.