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Finding the Fourth Proportional to 108,888.57, 150,239.94 and 63,540.67

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Solution

The fourth proportional to 108,888.57, 150,239.94 and 63,540.67 is: 87,670.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,888.57 : 150,239.94 = 63,540.67 : x
  2. Step 2: Convert to fraction form
    108,888.57/150,239.94 = 63,540.67/x
  3. Step 3: Cross multiply
    108,888.57x = 150,239.94 × 63,540.67
  4. Step 4: Simplify right side
    108,888.57x = 9,546,346,448.36
  5. Step 5: Solve for x
    x = 9,546,346,448.36/108,888.57
  6. Step 6: Final answer
    x = 87,670.79

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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.