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Finding the Fourth Proportional to 162,107.87, 223,756.37 and 94,155.39

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Solution

The fourth proportional to 162,107.87, 223,756.37 and 94,155.39 is: 129,962.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,107.87 : 223,756.37 = 94,155.39 : x
  2. Step 2: Convert to fraction form
    162,107.87/223,756.37 = 94,155.39/x
  3. Step 3: Cross multiply
    162,107.87x = 223,756.37 × 94,155.39
  4. Step 4: Simplify right side
    162,107.87x = 21,067,868,164.64
  5. Step 5: Solve for x
    x = 21,067,868,164.64/162,107.87
  6. Step 6: Final answer
    x = 129,962.04

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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.