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Finding the Fourth Proportional to 183,503.80, 275,255.70 and 130,359.70

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Solution

The fourth proportional to 183,503.80, 275,255.70 and 130,359.70 is: 195,539.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,503.80 : 275,255.70 = 130,359.70 : x
  2. Step 2: Convert to fraction form
    183,503.80/275,255.70 = 130,359.70/x
  3. Step 3: Cross multiply
    183,503.80x = 275,255.70 × 130,359.70
  4. Step 4: Simplify right side
    183,503.80x = 35,882,250,475.29
  5. Step 5: Solve for x
    x = 35,882,250,475.29/183,503.80
  6. Step 6: Final answer
    x = 195,539.55

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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.