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Finding the Fourth Proportional to 85,195.52, 117,493.08 and 53,367.20

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Solution

The fourth proportional to 85,195.52, 117,493.08 and 53,367.20 is: 73,598.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,195.52 : 117,493.08 = 53,367.20 : x
  2. Step 2: Convert to fraction form
    85,195.52/117,493.08 = 53,367.20/x
  3. Step 3: Cross multiply
    85,195.52x = 117,493.08 × 53,367.20
  4. Step 4: Simplify right side
    85,195.52x = 6,270,276,698.98
  5. Step 5: Solve for x
    x = 6,270,276,698.98/85,195.52
  6. Step 6: Final answer
    x = 73,598.67

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1.5x scale

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.