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Finding the Fourth Proportional to 152,933.82, 211,001.04 and 88,379.54

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Solution

The fourth proportional to 152,933.82, 211,001.04 and 88,379.54 is: 121,936.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,933.82 : 211,001.04 = 88,379.54 : x
  2. Step 2: Convert to fraction form
    152,933.82/211,001.04 = 88,379.54/x
  3. Step 3: Cross multiply
    152,933.82x = 211,001.04 × 88,379.54
  4. Step 4: Simplify right side
    152,933.82x = 18,648,174,854.72
  5. Step 5: Solve for x
    x = 18,648,174,854.72/152,933.82
  6. Step 6: Final answer
    x = 121,936.24

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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.