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Finding the Fourth Proportional to 112,497, 168,755.22 and 29,391

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Solution

The fourth proportional to 112,497, 168,755.22 and 29,391 is: 44,089.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,497 : 168,755.22 = 29,391 : x
  2. Step 2: Convert to fraction form
    112,497/168,755.22 = 29,391/x
  3. Step 3: Cross multiply
    112,497x = 168,755.22 × 29,391
  4. Step 4: Simplify right side
    112,497x = 4,959,884,671.02
  5. Step 5: Solve for x
    x = 4,959,884,671.02/112,497
  6. Step 6: Final answer
    x = 44,089.04

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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.