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Finding the Fourth Proportional to 156,914.88, 216,550.44 and 96,488.88

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Solution

The fourth proportional to 156,914.88, 216,550.44 and 96,488.88 is: 133,159.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,914.88 : 216,550.44 = 96,488.88 : x
  2. Step 2: Convert to fraction form
    156,914.88/216,550.44 = 96,488.88/x
  3. Step 3: Cross multiply
    156,914.88x = 216,550.44 × 96,488.88
  4. Step 4: Simplify right side
    156,914.88x = 20,894,709,419.11
  5. Step 5: Solve for x
    x = 20,894,709,419.11/156,914.88
  6. Step 6: Final answer
    x = 133,159.52

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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.