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Finding the Fourth Proportional to 160,981, 241,484.82 and 50,173

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Solution

The fourth proportional to 160,981, 241,484.82 and 50,173 is: 75,263.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,981 : 241,484.82 = 50,173 : x
  2. Step 2: Convert to fraction form
    160,981/241,484.82 = 50,173/x
  3. Step 3: Cross multiply
    160,981x = 241,484.82 × 50,173
  4. Step 4: Simplify right side
    160,981x = 12,116,017,873.86
  5. Step 5: Solve for x
    x = 12,116,017,873.86/160,981
  6. Step 6: Final answer
    x = 75,263.65

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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.