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Finding the Fourth Proportional to 156,920.88, 216,558.72 and 96,494.88

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Solution

The fourth proportional to 156,920.88, 216,558.72 and 96,494.88 is: 133,167.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,920.88 : 216,558.72 = 96,494.88 : x
  2. Step 2: Convert to fraction form
    156,920.88/216,558.72 = 96,494.88/x
  3. Step 3: Cross multiply
    156,920.88x = 216,558.72 × 96,494.88
  4. Step 4: Simplify right side
    156,920.88x = 20,896,807,699.35
  5. Step 5: Solve for x
    x = 20,896,807,699.35/156,920.88
  6. Step 6: Final answer
    x = 133,167.80

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1.5x scale

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.