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Finding the Fourth Proportional to 112,395.97, 168,648.93 and 49,207.46

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Solution

The fourth proportional to 112,395.97, 168,648.93 and 49,207.46 is: 73,835.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,395.97 : 168,648.93 = 49,207.46 : x
  2. Step 2: Convert to fraction form
    112,395.97/168,648.93 = 49,207.46/x
  3. Step 3: Cross multiply
    112,395.97x = 168,648.93 × 49,207.46
  4. Step 4: Simplify right side
    112,395.97x = 8,298,785,477.02
  5. Step 5: Solve for x
    x = 8,298,785,477.02/112,395.97
  6. Step 6: Final answer
    x = 73,835.26

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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.