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Finding the Fourth Proportional to 232,253.88, 320,513.76 and 130,301.88

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Solution

The fourth proportional to 232,253.88, 320,513.76 and 130,301.88 is: 179,818.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,253.88 : 320,513.76 = 130,301.88 : x
  2. Step 2: Convert to fraction form
    232,253.88/320,513.76 = 130,301.88/x
  3. Step 3: Cross multiply
    232,253.88x = 320,513.76 × 130,301.88
  4. Step 4: Simplify right side
    232,253.88x = 41,763,545,493.87
  5. Step 5: Solve for x
    x = 41,763,545,493.87/232,253.88
  6. Step 6: Final answer
    x = 179,818.51

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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.