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Finding the Fourth Proportional to 370,859.67, 556,105.46 and 118,107.21

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Solution

The fourth proportional to 370,859.67, 556,105.46 and 118,107.21 is: 177,102.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,859.67 : 556,105.46 = 118,107.21 : x
  2. Step 2: Convert to fraction form
    370,859.67/556,105.46 = 118,107.21/x
  3. Step 3: Cross multiply
    370,859.67x = 556,105.46 × 118,107.21
  4. Step 4: Simplify right side
    370,859.67x = 65,680,063,755.83
  5. Step 5: Solve for x
    x = 65,680,063,755.83/370,859.67
  6. Step 6: Final answer
    x = 177,102.20

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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.