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Finding the Fourth Proportional to 171,355.67, 236,463.11 and 94,869.40

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Solution

The fourth proportional to 171,355.67, 236,463.11 and 94,869.40 is: 130,915.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,355.67 : 236,463.11 = 94,869.40 : x
  2. Step 2: Convert to fraction form
    171,355.67/236,463.11 = 94,869.40/x
  3. Step 3: Cross multiply
    171,355.67x = 236,463.11 × 94,869.40
  4. Step 4: Simplify right side
    171,355.67x = 22,433,113,367.83
  5. Step 5: Solve for x
    x = 22,433,113,367.83/171,355.67
  6. Step 6: Final answer
    x = 130,915.50

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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.