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Finding the Fourth Proportional to 88,509.94, 122,145.11 and 48,223.69

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Solution

The fourth proportional to 88,509.94, 122,145.11 and 48,223.69 is: 66,549.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,509.94 : 122,145.11 = 48,223.69 : x
  2. Step 2: Convert to fraction form
    88,509.94/122,145.11 = 48,223.69/x
  3. Step 3: Cross multiply
    88,509.94x = 122,145.11 × 48,223.69
  4. Step 4: Simplify right side
    88,509.94x = 5,890,287,734.85
  5. Step 5: Solve for x
    x = 5,890,287,734.85/88,509.94
  6. Step 6: Final answer
    x = 66,549.45

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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.