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Finding the Fourth Proportional to 112,395.98, 168,648.93 and 49,207.47

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Solution

The fourth proportional to 112,395.98, 168,648.93 and 49,207.47 is: 73,835.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,395.98 : 168,648.93 = 49,207.47 : x
  2. Step 2: Convert to fraction form
    112,395.98/168,648.93 = 49,207.47/x
  3. Step 3: Cross multiply
    112,395.98x = 168,648.93 × 49,207.47
  4. Step 4: Simplify right side
    112,395.98x = 8,298,787,163.51
  5. Step 5: Solve for x
    x = 8,298,787,163.51/112,395.98
  6. Step 6: Final answer
    x = 73,835.27

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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.