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Finding the Fourth Proportional to 70,738.92, 106,594.92 and 58,533.84

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Solution

The fourth proportional to 70,738.92, 106,594.92 and 58,533.84 is: 88,203.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,738.92 : 106,594.92 = 58,533.84 : x
  2. Step 2: Convert to fraction form
    70,738.92/106,594.92 = 58,533.84/x
  3. Step 3: Cross multiply
    70,738.92x = 106,594.92 × 58,533.84
  4. Step 4: Simplify right side
    70,738.92x = 6,239,409,992.09
  5. Step 5: Solve for x
    x = 6,239,409,992.09/70,738.92
  6. Step 6: Final answer
    x = 88,203.35

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.