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Finding the Fourth Proportional to 88,503.79, 122,135.75 and 48,216.67

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Solution

The fourth proportional to 88,503.79, 122,135.75 and 48,216.67 is: 66,539.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,503.79 : 122,135.75 = 48,216.67 : x
  2. Step 2: Convert to fraction form
    88,503.79/122,135.75 = 48,216.67/x
  3. Step 3: Cross multiply
    88,503.79x = 122,135.75 × 48,216.67
  4. Step 4: Simplify right side
    88,503.79x = 5,888,978,787.34
  5. Step 5: Solve for x
    x = 5,888,978,787.34/88,503.79
  6. Step 6: Final answer
    x = 66,539.28

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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.