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Finding the Fourth Proportional to 219,782.26, 303,300.97 and 127,956.27

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Solution

The fourth proportional to 219,782.26, 303,300.97 and 127,956.27 is: 176,580.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,782.26 : 303,300.97 = 127,956.27 : x
  2. Step 2: Convert to fraction form
    219,782.26/303,300.97 = 127,956.27/x
  3. Step 3: Cross multiply
    219,782.26x = 303,300.97 × 127,956.27
  4. Step 4: Simplify right side
    219,782.26x = 38,809,260,808.58
  5. Step 5: Solve for x
    x = 38,809,260,808.58/219,782.26
  6. Step 6: Final answer
    x = 176,580.50

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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.