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Finding the Fourth Proportional to 104,989.88, 157,500.68 and 33,888.75

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Solution

The fourth proportional to 104,989.88, 157,500.68 and 33,888.75 is: 50,838.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,989.88 : 157,500.68 = 33,888.75 : x
  2. Step 2: Convert to fraction form
    104,989.88/157,500.68 = 33,888.75/x
  3. Step 3: Cross multiply
    104,989.88x = 157,500.68 × 33,888.75
  4. Step 4: Simplify right side
    104,989.88x = 5,337,500,999.91
  5. Step 5: Solve for x
    x = 5,337,500,999.91/104,989.88
  6. Step 6: Final answer
    x = 50,838.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.