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Finding the Fourth Proportional to 88,636.56, 122,320.76 and 48,351

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Solution

The fourth proportional to 88,636.56, 122,320.76 and 48,351 is: 66,725.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,636.56 : 122,320.76 = 48,351 : x
  2. Step 2: Convert to fraction form
    88,636.56/122,320.76 = 48,351/x
  3. Step 3: Cross multiply
    88,636.56x = 122,320.76 × 48,351
  4. Step 4: Simplify right side
    88,636.56x = 5,914,330,825.01
  5. Step 5: Solve for x
    x = 5,914,330,825.01/88,636.56
  6. Step 6: Final answer
    x = 66,725.64

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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.