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Finding the Fourth Proportional to 88,379.54, 121,963.73 and 48,635.54

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Solution

The fourth proportional to 88,379.54, 121,963.73 and 48,635.54 is: 67,117.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,379.54 : 121,963.73 = 48,635.54 : x
  2. Step 2: Convert to fraction form
    88,379.54/121,963.73 = 48,635.54/x
  3. Step 3: Cross multiply
    88,379.54x = 121,963.73 × 48,635.54
  4. Step 4: Simplify right side
    88,379.54x = 5,931,771,868.96
  5. Step 5: Solve for x
    x = 5,931,771,868.96/88,379.54
  6. Step 6: Final answer
    x = 67,117.03

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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.