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Finding the Fourth Proportional to 132,617.27, 183,035.55 and 84,868.98

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Solution

The fourth proportional to 132,617.27, 183,035.55 and 84,868.98 is: 117,134.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,617.27 : 183,035.55 = 84,868.98 : x
  2. Step 2: Convert to fraction form
    132,617.27/183,035.55 = 84,868.98/x
  3. Step 3: Cross multiply
    132,617.27x = 183,035.55 × 84,868.98
  4. Step 4: Simplify right side
    132,617.27x = 15,534,040,432.24
  5. Step 5: Solve for x
    x = 15,534,040,432.24/132,617.27
  6. Step 6: Final answer
    x = 117,134.37

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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.