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Finding the Fourth Proportional to 88,762.46, 122,493.21 and 48,477.38

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Solution

The fourth proportional to 88,762.46, 122,493.21 and 48,477.38 is: 66,899.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,762.46 : 122,493.21 = 48,477.38 : x
  2. Step 2: Convert to fraction form
    88,762.46/122,493.21 = 48,477.38/x
  3. Step 3: Cross multiply
    88,762.46x = 122,493.21 × 48,477.38
  4. Step 4: Simplify right side
    88,762.46x = 5,938,149,888.59
  5. Step 5: Solve for x
    x = 5,938,149,888.59/88,762.46
  6. Step 6: Final answer
    x = 66,899.34

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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.