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Finding the Fourth Proportional to 156,958.84, 235,404.96 and 51,752.80

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Solution

The fourth proportional to 156,958.84, 235,404.96 and 51,752.80 is: 77,618.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,958.84 : 235,404.96 = 51,752.80 : x
  2. Step 2: Convert to fraction form
    156,958.84/235,404.96 = 51,752.80/x
  3. Step 3: Cross multiply
    156,958.84x = 235,404.96 × 51,752.80
  4. Step 4: Simplify right side
    156,958.84x = 12,182,865,813.89
  5. Step 5: Solve for x
    x = 12,182,865,813.89/156,958.84
  6. Step 6: Final answer
    x = 77,618.22

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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.