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Finding the Fourth Proportional to 260,392.72, 359,348.04 and 147,222.16

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Solution

The fourth proportional to 260,392.72, 359,348.04 and 147,222.16 is: 203,170.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,392.72 : 359,348.04 = 147,222.16 : x
  2. Step 2: Convert to fraction form
    260,392.72/359,348.04 = 147,222.16/x
  3. Step 3: Cross multiply
    260,392.72x = 359,348.04 × 147,222.16
  4. Step 4: Simplify right side
    260,392.72x = 52,903,994,640.57
  5. Step 5: Solve for x
    x = 52,903,994,640.57/260,392.72
  6. Step 6: Final answer
    x = 203,170.02

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.