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Finding the Fourth Proportional to 96,925.62, 133,716.24 and 59,178

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Solution

The fourth proportional to 96,925.62, 133,716.24 and 59,178 is: 81,640.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,925.62 : 133,716.24 = 59,178 : x
  2. Step 2: Convert to fraction form
    96,925.62/133,716.24 = 59,178/x
  3. Step 3: Cross multiply
    96,925.62x = 133,716.24 × 59,178
  4. Step 4: Simplify right side
    96,925.62x = 7,913,059,650.72
  5. Step 5: Solve for x
    x = 7,913,059,650.72/96,925.62
  6. Step 6: Final answer
    x = 81,640.54

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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.