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Finding the Fourth Proportional to 219,889.49, 303,430.76 and 124,402.33

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Solution

The fourth proportional to 219,889.49, 303,430.76 and 124,402.33 is: 171,665.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,889.49 : 303,430.76 = 124,402.33 : x
  2. Step 2: Convert to fraction form
    219,889.49/303,430.76 = 124,402.33/x
  3. Step 3: Cross multiply
    219,889.49x = 303,430.76 × 124,402.33
  4. Step 4: Simplify right side
    219,889.49x = 37,747,493,761.46
  5. Step 5: Solve for x
    x = 37,747,493,761.46/219,889.49
  6. Step 6: Final answer
    x = 171,665.75

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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.