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Finding the Fourth Proportional to 118,366.76, 177,559.32 and 39,480.86

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Solution

The fourth proportional to 118,366.76, 177,559.32 and 39,480.86 is: 59,224.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,366.76 : 177,559.32 = 39,480.86 : x
  2. Step 2: Convert to fraction form
    118,366.76/177,559.32 = 39,480.86/x
  3. Step 3: Cross multiply
    118,366.76x = 177,559.32 × 39,480.86
  4. Step 4: Simplify right side
    118,366.76x = 7,010,194,654.62
  5. Step 5: Solve for x
    x = 7,010,194,654.62/118,366.76
  6. Step 6: Final answer
    x = 59,224.35

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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.