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Finding the Fourth Proportional to 117,615.44, 176,217.72 and 98,019.92

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Solution

The fourth proportional to 117,615.44, 176,217.72 and 98,019.92 is: 146,858.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,615.44 : 176,217.72 = 98,019.92 : x
  2. Step 2: Convert to fraction form
    117,615.44/176,217.72 = 98,019.92/x
  3. Step 3: Cross multiply
    117,615.44x = 176,217.72 × 98,019.92
  4. Step 4: Simplify right side
    117,615.44x = 17,272,846,816.98
  5. Step 5: Solve for x
    x = 17,272,846,816.98/117,615.44
  6. Step 6: Final answer
    x = 146,858.67

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1.5x scale

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.