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Finding the Fourth Proportional to 273,394.72, 377,285.12 and 160,217.60

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Solution

The fourth proportional to 273,394.72, 377,285.12 and 160,217.60 is: 221,100.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,394.72 : 377,285.12 = 160,217.60 : x
  2. Step 2: Convert to fraction form
    273,394.72/377,285.12 = 160,217.60/x
  3. Step 3: Cross multiply
    273,394.72x = 377,285.12 × 160,217.60
  4. Step 4: Simplify right side
    273,394.72x = 60,447,716,442.11
  5. Step 5: Solve for x
    x = 60,447,716,442.11/273,394.72
  6. Step 6: Final answer
    x = 221,100.53

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1.5x scale

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.