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Finding the Fourth Proportional to 192,702.50, 289,073.18 and 66,326.10

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Solution

The fourth proportional to 192,702.50, 289,073.18 and 66,326.10 is: 99,495.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,702.50 : 289,073.18 = 66,326.10 : x
  2. Step 2: Convert to fraction form
    192,702.50/289,073.18 = 66,326.10/x
  3. Step 3: Cross multiply
    192,702.50x = 289,073.18 × 66,326.10
  4. Step 4: Simplify right side
    192,702.50x = 19,173,096,644.00
  5. Step 5: Solve for x
    x = 19,173,096,644.00/192,702.50
  6. Step 6: Final answer
    x = 99,495.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.