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Finding the Fourth Proportional to 99,100.26, 136,749.24 and 58,807.08

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Solution

The fourth proportional to 99,100.26, 136,749.24 and 58,807.08 is: 81,148.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,100.26 : 136,749.24 = 58,807.08 : x
  2. Step 2: Convert to fraction form
    99,100.26/136,749.24 = 58,807.08/x
  3. Step 3: Cross multiply
    99,100.26x = 136,749.24 × 58,807.08
  4. Step 4: Simplify right side
    99,100.26x = 8,041,823,496.62
  5. Step 5: Solve for x
    x = 8,041,823,496.62/99,100.26
  6. Step 6: Final answer
    x = 81,148.36

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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.