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Finding the Fourth Proportional to 236,689.84, 354,145.32 and 141,569.92

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Solution

The fourth proportional to 236,689.84, 354,145.32 and 141,569.92 is: 211,822.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,689.84 : 354,145.32 = 141,569.92 : x
  2. Step 2: Convert to fraction form
    236,689.84/354,145.32 = 141,569.92/x
  3. Step 3: Cross multiply
    236,689.84x = 354,145.32 × 141,569.92
  4. Step 4: Simplify right side
    236,689.84x = 50,136,324,620.77
  5. Step 5: Solve for x
    x = 50,136,324,620.77/236,689.84
  6. Step 6: Final answer
    x = 211,822.88

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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.