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Finding the Fourth Proportional to 219,628.92, 302,970.88 and 133,614.12

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Solution

The fourth proportional to 219,628.92, 302,970.88 and 133,614.12 is: 184,316.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,628.92 : 302,970.88 = 133,614.12 : x
  2. Step 2: Convert to fraction form
    219,628.92/302,970.88 = 133,614.12/x
  3. Step 3: Cross multiply
    219,628.92x = 302,970.88 × 133,614.12
  4. Step 4: Simplify right side
    219,628.92x = 40,481,187,516.83
  5. Step 5: Solve for x
    x = 40,481,187,516.83/219,628.92
  6. Step 6: Final answer
    x = 184,316.29

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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.