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Finding the Fourth Proportional to 98,670.33, 136,163.03 and 53,958.33

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Solution

The fourth proportional to 98,670.33, 136,163.03 and 53,958.33 is: 74,461.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,670.33 : 136,163.03 = 53,958.33 : x
  2. Step 2: Convert to fraction form
    98,670.33/136,163.03 = 53,958.33/x
  3. Step 3: Cross multiply
    98,670.33x = 136,163.03 × 53,958.33
  4. Step 4: Simplify right side
    98,670.33x = 7,347,129,436.75
  5. Step 5: Solve for x
    x = 7,347,129,436.75/98,670.33
  6. Step 6: Final answer
    x = 74,461.39

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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.