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Finding the Fourth Proportional to 294,202.72, 406,001.52 and 160,067.68

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Solution

The fourth proportional to 294,202.72, 406,001.52 and 160,067.68 is: 220,894.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,202.72 : 406,001.52 = 160,067.68 : x
  2. Step 2: Convert to fraction form
    294,202.72/406,001.52 = 160,067.68/x
  3. Step 3: Cross multiply
    294,202.72x = 406,001.52 × 160,067.68
  4. Step 4: Simplify right side
    294,202.72x = 64,987,721,382.87
  5. Step 5: Solve for x
    x = 64,987,721,382.87/294,202.72
  6. Step 6: Final answer
    x = 220,894.36

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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.