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Finding the Fourth Proportional to 111,158.44, 153,384.22 and 63,408.94

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Solution

The fourth proportional to 111,158.44, 153,384.22 and 63,408.94 is: 87,496.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,158.44 : 153,384.22 = 63,408.94 : x
  2. Step 2: Convert to fraction form
    111,158.44/153,384.22 = 63,408.94/x
  3. Step 3: Cross multiply
    111,158.44x = 153,384.22 × 63,408.94
  4. Step 4: Simplify right side
    111,158.44x = 9,725,930,802.93
  5. Step 5: Solve for x
    x = 9,725,930,802.93/111,158.44
  6. Step 6: Final answer
    x = 87,496.11

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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.