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Finding the Fourth Proportional to 139,059.75, 208,520.62 and 44,277.59

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Solution

The fourth proportional to 139,059.75, 208,520.62 and 44,277.59 is: 66,394.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,059.75 : 208,520.62 = 44,277.59 : x
  2. Step 2: Convert to fraction form
    139,059.75/208,520.62 = 44,277.59/x
  3. Step 3: Cross multiply
    139,059.75x = 208,520.62 × 44,277.59
  4. Step 4: Simplify right side
    139,059.75x = 9,232,789,254.91
  5. Step 5: Solve for x
    x = 9,232,789,254.91/139,059.75
  6. Step 6: Final answer
    x = 66,394.40

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1.5x scale

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.