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Finding the Fourth Proportional to 150,403.54, 207,556.89 and 83,335.54

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Solution

The fourth proportional to 150,403.54, 207,556.89 and 83,335.54 is: 115,003.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,403.54 : 207,556.89 = 83,335.54 : x
  2. Step 2: Convert to fraction form
    150,403.54/207,556.89 = 83,335.54/x
  3. Step 3: Cross multiply
    150,403.54x = 207,556.89 × 83,335.54
  4. Step 4: Simplify right side
    150,403.54x = 17,296,864,054.41
  5. Step 5: Solve for x
    x = 17,296,864,054.41/150,403.54
  6. Step 6: Final answer
    x = 115,003.04

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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.