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Finding the Fourth Proportional to 177,884.76, 245,494.28 and 101,405.67

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Solution

The fourth proportional to 177,884.76, 245,494.28 and 101,405.67 is: 139,947.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,884.76 : 245,494.28 = 101,405.67 : x
  2. Step 2: Convert to fraction form
    177,884.76/245,494.28 = 101,405.67/x
  3. Step 3: Cross multiply
    177,884.76x = 245,494.28 × 101,405.67
  4. Step 4: Simplify right side
    177,884.76x = 24,894,511,944.57
  5. Step 5: Solve for x
    x = 24,894,511,944.57/177,884.76
  6. Step 6: Final answer
    x = 139,947.41

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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.