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Finding the Fourth Proportional to 236,648, 355,023.84 and 88,904

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Solution

The fourth proportional to 236,648, 355,023.84 and 88,904 is: 133,375.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,648 : 355,023.84 = 88,904 : x
  2. Step 2: Convert to fraction form
    236,648/355,023.84 = 88,904/x
  3. Step 3: Cross multiply
    236,648x = 355,023.84 × 88,904
  4. Step 4: Simplify right side
    236,648x = 31,563,039,471.36
  5. Step 5: Solve for x
    x = 31,563,039,471.36/236,648
  6. Step 6: Final answer
    x = 133,375.48

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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.