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Finding the Fourth Proportional to 125,966.37, 173,830.02 and 68,604.39

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Solution

The fourth proportional to 125,966.37, 173,830.02 and 68,604.39 is: 94,672.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,966.37 : 173,830.02 = 68,604.39 : x
  2. Step 2: Convert to fraction form
    125,966.37/173,830.02 = 68,604.39/x
  3. Step 3: Cross multiply
    125,966.37x = 173,830.02 × 68,604.39
  4. Step 4: Simplify right side
    125,966.37x = 11,925,502,485.79
  5. Step 5: Solve for x
    x = 11,925,502,485.79/125,966.37
  6. Step 6: Final answer
    x = 94,672.11

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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.