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Finding the Fourth Proportional to 124,012.49, 185,909.59 and 49,185.17

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Solution

The fourth proportional to 124,012.49, 185,909.59 and 49,185.17 is: 73,734.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,012.49 : 185,909.59 = 49,185.17 : x
  2. Step 2: Convert to fraction form
    124,012.49/185,909.59 = 49,185.17/x
  3. Step 3: Cross multiply
    124,012.49x = 185,909.59 × 49,185.17
  4. Step 4: Simplify right side
    124,012.49x = 9,143,994,542.85
  5. Step 5: Solve for x
    x = 9,143,994,542.85/124,012.49
  6. Step 6: Final answer
    x = 73,734.46

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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.