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Finding the Fourth Proportional to 69,197.70, 95,499.88 and 42,357.94

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Solution

The fourth proportional to 69,197.70, 95,499.88 and 42,357.94 is: 58,458.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,197.70 : 95,499.88 = 42,357.94 : x
  2. Step 2: Convert to fraction form
    69,197.70/95,499.88 = 42,357.94/x
  3. Step 3: Cross multiply
    69,197.70x = 95,499.88 × 42,357.94
  4. Step 4: Simplify right side
    69,197.70x = 4,045,178,121.11
  5. Step 5: Solve for x
    x = 4,045,178,121.11/69,197.70
  6. Step 6: Final answer
    x = 58,458.28

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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.