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Finding the Fourth Proportional to 88,990.59, 122,820.81 and 50,750.22

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Solution

The fourth proportional to 88,990.59, 122,820.81 and 50,750.22 is: 70,043.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,990.59 : 122,820.81 = 50,750.22 : x
  2. Step 2: Convert to fraction form
    88,990.59/122,820.81 = 50,750.22/x
  3. Step 3: Cross multiply
    88,990.59x = 122,820.81 × 50,750.22
  4. Step 4: Simplify right side
    88,990.59x = 6,233,183,128.08
  5. Step 5: Solve for x
    x = 6,233,183,128.08/88,990.59
  6. Step 6: Final answer
    x = 70,043.17

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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.