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Finding the Fourth Proportional to 92,902.60, 139,311.30 and 29,710.42

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Solution

The fourth proportional to 92,902.60, 139,311.30 and 29,710.42 is: 44,552.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,902.60 : 139,311.30 = 29,710.42 : x
  2. Step 2: Convert to fraction form
    92,902.60/139,311.30 = 29,710.42/x
  3. Step 3: Cross multiply
    92,902.60x = 139,311.30 × 29,710.42
  4. Step 4: Simplify right side
    92,902.60x = 4,138,997,233.75
  5. Step 5: Solve for x
    x = 4,138,997,233.75/92,902.60
  6. Step 6: Final answer
    x = 44,552.01

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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.