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Finding the Fourth Proportional to 302,107.59, 453,161.39 and 143,856.27

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Solution

The fourth proportional to 302,107.59, 453,161.39 and 143,856.27 is: 215,784.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,107.59 : 453,161.39 = 143,856.27 : x
  2. Step 2: Convert to fraction form
    302,107.59/453,161.39 = 143,856.27/x
  3. Step 3: Cross multiply
    302,107.59x = 453,161.39 × 143,856.27
  4. Step 4: Simplify right side
    302,107.59x = 65,190,106,554.13
  5. Step 5: Solve for x
    x = 65,190,106,554.13/302,107.59
  6. Step 6: Final answer
    x = 215,784.41

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Similar ratio
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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.