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Finding the Fourth Proportional to 187,959.96, 281,981.47 and 93,241.67

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Solution

The fourth proportional to 187,959.96, 281,981.47 and 93,241.67 is: 139,883.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,959.96 : 281,981.47 = 93,241.67 : x
  2. Step 2: Convert to fraction form
    187,959.96/281,981.47 = 93,241.67/x
  3. Step 3: Cross multiply
    187,959.96x = 281,981.47 × 93,241.67
  4. Step 4: Simplify right side
    187,959.96x = 26,292,423,171.85
  5. Step 5: Solve for x
    x = 26,292,423,171.85/187,959.96
  6. Step 6: Final answer
    x = 139,883.11

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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.