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Finding the Fourth Proportional to 103,992.75, 156,000.10 and 32,925.20

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Solution

The fourth proportional to 103,992.75, 156,000.10 and 32,925.20 is: 49,391.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,992.75 : 156,000.10 = 32,925.20 : x
  2. Step 2: Convert to fraction form
    103,992.75/156,000.10 = 32,925.20/x
  3. Step 3: Cross multiply
    103,992.75x = 156,000.10 × 32,925.20
  4. Step 4: Simplify right side
    103,992.75x = 5,136,334,800.21
  5. Step 5: Solve for x
    x = 5,136,334,800.21/103,992.75
  6. Step 6: Final answer
    x = 49,391.28

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1.5x scale

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.