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Finding the Fourth Proportional to 98,600.60, 147,915.30 and 32,029.40

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Solution

The fourth proportional to 98,600.60, 147,915.30 and 32,029.40 is: 48,048.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,600.60 : 147,915.30 = 32,029.40 : x
  2. Step 2: Convert to fraction form
    98,600.60/147,915.30 = 32,029.40/x
  3. Step 3: Cross multiply
    98,600.60x = 147,915.30 × 32,029.40
  4. Step 4: Simplify right side
    98,600.60x = 4,737,638,309.82
  5. Step 5: Solve for x
    x = 4,737,638,309.82/98,600.60
  6. Step 6: Final answer
    x = 48,048.78

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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.