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Finding the Fourth Proportional to 92,728.34, 139,103.43 and 29,526.34

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Solution

The fourth proportional to 92,728.34, 139,103.43 and 29,526.34 is: 44,292.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,728.34 : 139,103.43 = 29,526.34 : x
  2. Step 2: Convert to fraction form
    92,728.34/139,103.43 = 29,526.34/x
  3. Step 3: Cross multiply
    92,728.34x = 139,103.43 × 29,526.34
  4. Step 4: Simplify right side
    92,728.34x = 4,107,215,169.35
  5. Step 5: Solve for x
    x = 4,107,215,169.35/92,728.34
  6. Step 6: Final answer
    x = 44,292.99

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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.