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Finding the Fourth Proportional to 236,650, 355,026.84 and 88,906

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Solution

The fourth proportional to 236,650, 355,026.84 and 88,906 is: 133,378.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,650 : 355,026.84 = 88,906 : x
  2. Step 2: Convert to fraction form
    236,650/355,026.84 = 88,906/x
  3. Step 3: Cross multiply
    236,650x = 355,026.84 × 88,906
  4. Step 4: Simplify right side
    236,650x = 31,564,016,237.04
  5. Step 5: Solve for x
    x = 31,564,016,237.04/236,650
  6. Step 6: Final answer
    x = 133,378.48

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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.