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Finding the Fourth Proportional to 95,611.40, 143,445.90 and 51,259.40

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Solution

The fourth proportional to 95,611.40, 143,445.90 and 51,259.40 is: 76,904.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,611.40 : 143,445.90 = 51,259.40 : x
  2. Step 2: Convert to fraction form
    95,611.40/143,445.90 = 51,259.40/x
  3. Step 3: Cross multiply
    95,611.40x = 143,445.90 × 51,259.40
  4. Step 4: Simplify right side
    95,611.40x = 7,352,950,766.46
  5. Step 5: Solve for x
    x = 7,352,950,766.46/95,611.40
  6. Step 6: Final answer
    x = 76,904.54

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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.