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Finding the Fourth Proportional to 118,798.19, 178,223.88 and 39,910.27

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Solution

The fourth proportional to 118,798.19, 178,223.88 and 39,910.27 is: 59,874.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,798.19 : 178,223.88 = 39,910.27 : x
  2. Step 2: Convert to fraction form
    118,798.19/178,223.88 = 39,910.27/x
  3. Step 3: Cross multiply
    118,798.19x = 178,223.88 × 39,910.27
  4. Step 4: Simplify right side
    118,798.19x = 7,112,962,725.69
  5. Step 5: Solve for x
    x = 7,112,962,725.69/118,798.19
  6. Step 6: Final answer
    x = 59,874.33

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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.