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Finding the Fourth Proportional to 225,227.48, 311,069.02 and 153,482.94

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Solution

The fourth proportional to 225,227.48, 311,069.02 and 153,482.94 is: 211,980.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,227.48 : 311,069.02 = 153,482.94 : x
  2. Step 2: Convert to fraction form
    225,227.48/311,069.02 = 153,482.94/x
  3. Step 3: Cross multiply
    225,227.48x = 311,069.02 × 153,482.94
  4. Step 4: Simplify right side
    225,227.48x = 47,743,787,732.52
  5. Step 5: Solve for x
    x = 47,743,787,732.52/225,227.48
  6. Step 6: Final answer
    x = 211,980.30

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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.