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Finding the Fourth Proportional to 219,706.92, 303,200.69 and 124,219.26

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Solution

The fourth proportional to 219,706.92, 303,200.69 and 124,219.26 is: 171,425.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,706.92 : 303,200.69 = 124,219.26 : x
  2. Step 2: Convert to fraction form
    219,706.92/303,200.69 = 124,219.26/x
  3. Step 3: Cross multiply
    219,706.92x = 303,200.69 × 124,219.26
  4. Step 4: Simplify right side
    219,706.92x = 37,663,364,722.19
  5. Step 5: Solve for x
    x = 37,663,364,722.19/219,706.92
  6. Step 6: Final answer
    x = 171,425.48

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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.