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Finding the Fourth Proportional to 88,790.86, 122,529.85 and 48,503.59

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Solution

The fourth proportional to 88,790.86, 122,529.85 and 48,503.59 is: 66,934.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,790.86 : 122,529.85 = 48,503.59 : x
  2. Step 2: Convert to fraction form
    88,790.86/122,529.85 = 48,503.59/x
  3. Step 3: Cross multiply
    88,790.86x = 122,529.85 × 48,503.59
  4. Step 4: Simplify right side
    88,790.86x = 5,943,137,524.19
  5. Step 5: Solve for x
    x = 5,943,137,524.19/88,790.86
  6. Step 6: Final answer
    x = 66,934.11

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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.