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Finding the Fourth Proportional to 567,358.88, 851,041.12 and 168,007.20

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Solution

The fourth proportional to 567,358.88, 851,041.12 and 168,007.20 is: 252,011.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,358.88 : 851,041.12 = 168,007.20 : x
  2. Step 2: Convert to fraction form
    567,358.88/851,041.12 = 168,007.20/x
  3. Step 3: Cross multiply
    567,358.88x = 851,041.12 × 168,007.20
  4. Step 4: Simplify right side
    567,358.88x = 142,981,035,656.06
  5. Step 5: Solve for x
    x = 142,981,035,656.06/567,358.88
  6. Step 6: Final answer
    x = 252,011.63

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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.