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Finding the Fourth Proportional to 163,872.50, 245,808.76 and 93,702.60

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Solution

The fourth proportional to 163,872.50, 245,808.76 and 93,702.60 is: 140,553.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,872.50 : 245,808.76 = 93,702.60 : x
  2. Step 2: Convert to fraction form
    163,872.50/245,808.76 = 93,702.60/x
  3. Step 3: Cross multiply
    163,872.50x = 245,808.76 × 93,702.60
  4. Step 4: Simplify right side
    163,872.50x = 23,032,919,914.78
  5. Step 5: Solve for x
    x = 23,032,919,914.78/163,872.50
  6. Step 6: Final answer
    x = 140,553.91

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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.