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Finding the Fourth Proportional to 118,540.36, 163,588.55 and 67,552

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Solution

The fourth proportional to 118,540.36, 163,588.55 and 67,552 is: 93,223.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,540.36 : 163,588.55 = 67,552 : x
  2. Step 2: Convert to fraction form
    118,540.36/163,588.55 = 67,552/x
  3. Step 3: Cross multiply
    118,540.36x = 163,588.55 × 67,552
  4. Step 4: Simplify right side
    118,540.36x = 11,050,733,729.60
  5. Step 5: Solve for x
    x = 11,050,733,729.60/118,540.36
  6. Step 6: Final answer
    x = 93,223.39

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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.