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Finding the Fourth Proportional to 88,762.96, 122,493.90 and 48,477.88

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Solution

The fourth proportional to 88,762.96, 122,493.90 and 48,477.88 is: 66,900.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,762.96 : 122,493.90 = 48,477.88 : x
  2. Step 2: Convert to fraction form
    88,762.96/122,493.90 = 48,477.88/x
  3. Step 3: Cross multiply
    88,762.96x = 122,493.90 × 48,477.88
  4. Step 4: Simplify right side
    88,762.96x = 5,938,244,584.93
  5. Step 5: Solve for x
    x = 5,938,244,584.93/88,762.96
  6. Step 6: Final answer
    x = 66,900.03

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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.