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Finding the Fourth Proportional to 183,415.92, 253,006.45 and 115,324.98

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Solution

The fourth proportional to 183,415.92, 253,006.45 and 115,324.98 is: 159,080.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,415.92 : 253,006.45 = 115,324.98 : x
  2. Step 2: Convert to fraction form
    183,415.92/253,006.45 = 115,324.98/x
  3. Step 3: Cross multiply
    183,415.92x = 253,006.45 × 115,324.98
  4. Step 4: Simplify right side
    183,415.92x = 29,177,963,786.12
  5. Step 5: Solve for x
    x = 29,177,963,786.12/183,415.92
  6. Step 6: Final answer
    x = 159,080.87

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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.