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Finding the Fourth Proportional to 221,307.93, 331,941.85 and 88,152.44

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Solution

The fourth proportional to 221,307.93, 331,941.85 and 88,152.44 is: 132,220.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,307.93 : 331,941.85 = 88,152.44 : x
  2. Step 2: Convert to fraction form
    221,307.93/331,941.85 = 88,152.44/x
  3. Step 3: Cross multiply
    221,307.93x = 331,941.85 × 88,152.44
  4. Step 4: Simplify right side
    221,307.93x = 29,261,482,135.52
  5. Step 5: Solve for x
    x = 29,261,482,135.52/221,307.93
  6. Step 6: Final answer
    x = 132,220.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.