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Finding the Fourth Proportional to 238,458.62, 357,991.45 and 154,569.83

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Solution

The fourth proportional to 238,458.62, 357,991.45 and 154,569.83 is: 232,051.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,458.62 : 357,991.45 = 154,569.83 : x
  2. Step 2: Convert to fraction form
    238,458.62/357,991.45 = 154,569.83/x
  3. Step 3: Cross multiply
    238,458.62x = 357,991.45 × 154,569.83
  4. Step 4: Simplify right side
    238,458.62x = 55,334,675,391.57
  5. Step 5: Solve for x
    x = 55,334,675,391.57/238,458.62
  6. Step 6: Final answer
    x = 232,051.48

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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.