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Finding the Fourth Proportional to 183,463.70, 275,195.55 and 130,319.60

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Solution

The fourth proportional to 183,463.70, 275,195.55 and 130,319.60 is: 195,479.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,463.70 : 275,195.55 = 130,319.60 : x
  2. Step 2: Convert to fraction form
    183,463.70/275,195.55 = 130,319.60/x
  3. Step 3: Cross multiply
    183,463.70x = 275,195.55 × 130,319.60
  4. Step 4: Simplify right side
    183,463.70x = 35,863,373,997.78
  5. Step 5: Solve for x
    x = 35,863,373,997.78/183,463.70
  6. Step 6: Final answer
    x = 195,479.40

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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.