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Finding the Fourth Proportional to 88,740, 122,460.58 and 48,453.74

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Solution

The fourth proportional to 88,740, 122,460.58 and 48,453.74 is: 66,865.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,740 : 122,460.58 = 48,453.74 : x
  2. Step 2: Convert to fraction form
    88,740/122,460.58 = 48,453.74/x
  3. Step 3: Cross multiply
    88,740x = 122,460.58 × 48,453.74
  4. Step 4: Simplify right side
    88,740x = 5,933,672,370.13
  5. Step 5: Solve for x
    x = 5,933,672,370.13/88,740
  6. Step 6: Final answer
    x = 66,865.81

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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.