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Finding the Fourth Proportional to 168,357.30, 252,358.41 and 56,007.42

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Solution

The fourth proportional to 168,357.30, 252,358.41 and 56,007.42 is: 83,952.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,357.30 : 252,358.41 = 56,007.42 : x
  2. Step 2: Convert to fraction form
    168,357.30/252,358.41 = 56,007.42/x
  3. Step 3: Cross multiply
    168,357.30x = 252,358.41 × 56,007.42
  4. Step 4: Simplify right side
    168,357.30x = 14,133,943,459.40
  5. Step 5: Solve for x
    x = 14,133,943,459.40/168,357.30
  6. Step 6: Final answer
    x = 83,952.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.