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Finding the Fourth Proportional to 112,502, 168,754.64 and 29,396

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Solution

The fourth proportional to 112,502, 168,754.64 and 29,396 is: 44,094.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,502 : 168,754.64 = 29,396 : x
  2. Step 2: Convert to fraction form
    112,502/168,754.64 = 29,396/x
  3. Step 3: Cross multiply
    112,502x = 168,754.64 × 29,396
  4. Step 4: Simplify right side
    112,502x = 4,960,711,397.44
  5. Step 5: Solve for x
    x = 4,960,711,397.44/112,502
  6. Step 6: Final answer
    x = 44,094.43

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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.