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Finding the Fourth Proportional to 125,636.63, 173,378.54 and 69,048

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Solution

The fourth proportional to 125,636.63, 173,378.54 and 69,048 is: 95,286.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,636.63 : 173,378.54 = 69,048 : x
  2. Step 2: Convert to fraction form
    125,636.63/173,378.54 = 69,048/x
  3. Step 3: Cross multiply
    125,636.63x = 173,378.54 × 69,048
  4. Step 4: Simplify right side
    125,636.63x = 11,971,441,602.54
  5. Step 5: Solve for x
    x = 11,971,441,602.54/125,636.63
  6. Step 6: Final answer
    x = 95,286.24

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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.