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Finding the Fourth Proportional to 114,294.90, 171,539.55 and 51,212.10

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Solution

The fourth proportional to 114,294.90, 171,539.55 and 51,212.10 is: 76,861.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,294.90 : 171,539.55 = 51,212.10 : x
  2. Step 2: Convert to fraction form
    114,294.90/171,539.55 = 51,212.10/x
  3. Step 3: Cross multiply
    114,294.90x = 171,539.55 × 51,212.10
  4. Step 4: Simplify right side
    114,294.90x = 8,784,900,588.56
  5. Step 5: Solve for x
    x = 8,784,900,588.56/114,294.90
  6. Step 6: Final answer
    x = 76,861.70

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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.