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Finding the Fourth Proportional to 123,901.80, 185,859.77 and 35,148.35

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Solution

The fourth proportional to 123,901.80, 185,859.77 and 35,148.35 is: 52,724.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,901.80 : 185,859.77 = 35,148.35 : x
  2. Step 2: Convert to fraction form
    123,901.80/185,859.77 = 35,148.35/x
  3. Step 3: Cross multiply
    123,901.80x = 185,859.77 × 35,148.35
  4. Step 4: Simplify right side
    123,901.80x = 6,532,663,141.84
  5. Step 5: Solve for x
    x = 6,532,663,141.84/123,901.80
  6. Step 6: Final answer
    x = 52,724.52

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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.