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Finding the Fourth Proportional to 96,675.46, 133,402.89 and 54,231.46

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Solution

The fourth proportional to 96,675.46, 133,402.89 and 54,231.46 is: 74,834.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,675.46 : 133,402.89 = 54,231.46 : x
  2. Step 2: Convert to fraction form
    96,675.46/133,402.89 = 54,231.46/x
  3. Step 3: Cross multiply
    96,675.46x = 133,402.89 × 54,231.46
  4. Step 4: Simplify right side
    96,675.46x = 7,234,633,492.92
  5. Step 5: Solve for x
    x = 7,234,633,492.92/96,675.46
  6. Step 6: Final answer
    x = 74,834.23

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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.