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Finding the Fourth Proportional to 162,894.56, 224,803.49 and 91,297.58

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Solution

The fourth proportional to 162,894.56, 224,803.49 and 91,297.58 is: 125,995.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,894.56 : 224,803.49 = 91,297.58 : x
  2. Step 2: Convert to fraction form
    162,894.56/224,803.49 = 91,297.58/x
  3. Step 3: Cross multiply
    162,894.56x = 224,803.49 × 91,297.58
  4. Step 4: Simplify right side
    162,894.56x = 20,524,013,032.05
  5. Step 5: Solve for x
    x = 20,524,013,032.05/162,894.56
  6. Step 6: Final answer
    x = 125,995.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.