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Finding the Fourth Proportional to 225,594.60, 311,299.80 and 130,082.84

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Solution

The fourth proportional to 225,594.60, 311,299.80 and 130,082.84 is: 179,502.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,594.60 : 311,299.80 = 130,082.84 : x
  2. Step 2: Convert to fraction form
    225,594.60/311,299.80 = 130,082.84/x
  3. Step 3: Cross multiply
    225,594.60x = 311,299.80 × 130,082.84
  4. Step 4: Simplify right side
    225,594.60x = 40,494,762,075.43
  5. Step 5: Solve for x
    x = 40,494,762,075.43/225,594.60
  6. Step 6: Final answer
    x = 179,502.36

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1.5x scale

Why These Related Problems?

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