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Finding the Fourth Proportional to 119,374.45, 179,023.62 and 39,397.51

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Solution

The fourth proportional to 119,374.45, 179,023.62 and 39,397.51 is: 59,083.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,374.45 : 179,023.62 = 39,397.51 : x
  2. Step 2: Convert to fraction form
    119,374.45/179,023.62 = 39,397.51/x
  3. Step 3: Cross multiply
    119,374.45x = 179,023.62 × 39,397.51
  4. Step 4: Simplify right side
    119,374.45x = 7,053,084,859.19
  5. Step 5: Solve for x
    x = 7,053,084,859.19/119,374.45
  6. Step 6: Final answer
    x = 59,083.71

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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.