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Finding the Fourth Proportional to 123,803.51, 185,634.04 and 66,029.48

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Solution

The fourth proportional to 123,803.51, 185,634.04 and 66,029.48 is: 99,006.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,803.51 : 185,634.04 = 66,029.48 : x
  2. Step 2: Convert to fraction form
    123,803.51/185,634.04 = 66,029.48/x
  3. Step 3: Cross multiply
    123,803.51x = 185,634.04 × 66,029.48
  4. Step 4: Simplify right side
    123,803.51x = 12,257,319,131.50
  5. Step 5: Solve for x
    x = 12,257,319,131.50/123,803.51
  6. Step 6: Final answer
    x = 99,006.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.