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Finding the Fourth Proportional to 121,754.58, 182,671.27 and 58,566.48

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Solution

The fourth proportional to 121,754.58, 182,671.27 and 58,566.48 is: 87,868.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,754.58 : 182,671.27 = 58,566.48 : x
  2. Step 2: Convert to fraction form
    121,754.58/182,671.27 = 58,566.48/x
  3. Step 3: Cross multiply
    121,754.58x = 182,671.27 × 58,566.48
  4. Step 4: Simplify right side
    121,754.58x = 10,698,412,449.60
  5. Step 5: Solve for x
    x = 10,698,412,449.60/121,754.58
  6. Step 6: Final answer
    x = 87,868.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.