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Finding the Fourth Proportional to 156,929.66, 216,558.37 and 88,952.89

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Solution

The fourth proportional to 156,929.66, 216,558.37 and 88,952.89 is: 122,752.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,929.66 : 216,558.37 = 88,952.89 : x
  2. Step 2: Convert to fraction form
    156,929.66/216,558.37 = 88,952.89/x
  3. Step 3: Cross multiply
    156,929.66x = 216,558.37 × 88,952.89
  4. Step 4: Simplify right side
    156,929.66x = 19,263,491,337.63
  5. Step 5: Solve for x
    x = 19,263,491,337.63/156,929.66
  6. Step 6: Final answer
    x = 122,752.39

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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.