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Finding the Fourth Proportional to 156,751.74, 235,161.63 and 51,566.76

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Solution

The fourth proportional to 156,751.74, 235,161.63 and 51,566.76 is: 77,361.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,751.74 : 235,161.63 = 51,566.76 : x
  2. Step 2: Convert to fraction form
    156,751.74/235,161.63 = 51,566.76/x
  3. Step 3: Cross multiply
    156,751.74x = 235,161.63 × 51,566.76
  4. Step 4: Simplify right side
    156,751.74x = 12,126,523,335.42
  5. Step 5: Solve for x
    x = 12,126,523,335.42/156,751.74
  6. Step 6: Final answer
    x = 77,361.33

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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.