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Finding the Fourth Proportional to 92,396.40, 138,562.20 and 48,008.40

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Solution

The fourth proportional to 92,396.40, 138,562.20 and 48,008.40 is: 71,995.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,396.40 : 138,562.20 = 48,008.40 : x
  2. Step 2: Convert to fraction form
    92,396.40/138,562.20 = 48,008.40/x
  3. Step 3: Cross multiply
    92,396.40x = 138,562.20 × 48,008.40
  4. Step 4: Simplify right side
    92,396.40x = 6,652,149,522.48
  5. Step 5: Solve for x
    x = 6,652,149,522.48/92,396.40
  6. Step 6: Final answer
    x = 71,995.77

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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.