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Finding the Fourth Proportional to 112,241.82, 154,894.62 and 61,254.96

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Solution

The fourth proportional to 112,241.82, 154,894.62 and 61,254.96 is: 84,532.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,241.82 : 154,894.62 = 61,254.96 : x
  2. Step 2: Convert to fraction form
    112,241.82/154,894.62 = 61,254.96/x
  3. Step 3: Cross multiply
    112,241.82x = 154,894.62 × 61,254.96
  4. Step 4: Simplify right side
    112,241.82x = 9,488,063,752.32
  5. Step 5: Solve for x
    x = 9,488,063,752.32/112,241.82
  6. Step 6: Final answer
    x = 84,532.34

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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.