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Finding the Fourth Proportional to 156,774, 235,200.06 and 45,966

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Solution

The fourth proportional to 156,774, 235,200.06 and 45,966 is: 68,960.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,774 : 235,200.06 = 45,966 : x
  2. Step 2: Convert to fraction form
    156,774/235,200.06 = 45,966/x
  3. Step 3: Cross multiply
    156,774x = 235,200.06 × 45,966
  4. Step 4: Simplify right side
    156,774x = 10,811,205,957.96
  5. Step 5: Solve for x
    x = 10,811,205,957.96/156,774
  6. Step 6: Final answer
    x = 68,960.45

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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.