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Finding the Fourth Proportional to 156,753.59, 216,333.30 and 88,782.66

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Solution

The fourth proportional to 156,753.59, 216,333.30 and 88,782.66 is: 122,527.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,753.59 : 216,333.30 = 88,782.66 : x
  2. Step 2: Convert to fraction form
    156,753.59/216,333.30 = 88,782.66/x
  3. Step 3: Cross multiply
    156,753.59x = 216,333.30 × 88,782.66
  4. Step 4: Simplify right side
    156,753.59x = 19,206,644,295.00
  5. Step 5: Solve for x
    x = 19,206,644,295.00/156,753.59
  6. Step 6: Final answer
    x = 122,527.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.