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Finding the Fourth Proportional to 98,834.63, 136,392.11 and 53,513.11

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Solution

The fourth proportional to 98,834.63, 136,392.11 and 53,513.11 is: 73,848.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,834.63 : 136,392.11 = 53,513.11 : x
  2. Step 2: Convert to fraction form
    98,834.63/136,392.11 = 53,513.11/x
  3. Step 3: Cross multiply
    98,834.63x = 136,392.11 × 53,513.11
  4. Step 4: Simplify right side
    98,834.63x = 7,298,765,778.36
  5. Step 5: Solve for x
    x = 7,298,765,778.36/98,834.63
  6. Step 6: Final answer
    x = 73,848.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.