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Finding the Fourth Proportional to 163,915.80, 245,951.70 and 58,745.40

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Solution

The fourth proportional to 163,915.80, 245,951.70 and 58,745.40 is: 88,146.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,915.80 : 245,951.70 = 58,745.40 : x
  2. Step 2: Convert to fraction form
    163,915.80/245,951.70 = 58,745.40/x
  3. Step 3: Cross multiply
    163,915.80x = 245,951.70 × 58,745.40
  4. Step 4: Simplify right side
    163,915.80x = 14,448,530,997.18
  5. Step 5: Solve for x
    x = 14,448,530,997.18/163,915.80
  6. Step 6: Final answer
    x = 88,146.05

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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.