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Finding the Fourth Proportional to 96,169.50, 132,711.48 and 53,728.34

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Solution

The fourth proportional to 96,169.50, 132,711.48 and 53,728.34 is: 74,143.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,169.50 : 132,711.48 = 53,728.34 : x
  2. Step 2: Convert to fraction form
    96,169.50/132,711.48 = 53,728.34/x
  3. Step 3: Cross multiply
    96,169.50x = 132,711.48 × 53,728.34
  4. Step 4: Simplify right side
    96,169.50x = 7,130,366,855.79
  5. Step 5: Solve for x
    x = 7,130,366,855.79/96,169.50
  6. Step 6: Final answer
    x = 74,143.74

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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.