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Finding the Fourth Proportional to 156,951.85, 235,409.55 and 44,649.40

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Solution

The fourth proportional to 156,951.85, 235,409.55 and 44,649.40 is: 66,968.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,951.85 : 235,409.55 = 44,649.40 : x
  2. Step 2: Convert to fraction form
    156,951.85/235,409.55 = 44,649.40/x
  3. Step 3: Cross multiply
    156,951.85x = 235,409.55 × 44,649.40
  4. Step 4: Simplify right side
    156,951.85x = 10,510,895,161.77
  5. Step 5: Solve for x
    x = 10,510,895,161.77/156,951.85
  6. Step 6: Final answer
    x = 66,968.92

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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.