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Finding the Fourth Proportional to 69,189.71, 95,497.34 and 45,302.49

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Solution

The fourth proportional to 69,189.71, 95,497.34 and 45,302.49 is: 62,527.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,189.71 : 95,497.34 = 45,302.49 : x
  2. Step 2: Convert to fraction form
    69,189.71/95,497.34 = 45,302.49/x
  3. Step 3: Cross multiply
    69,189.71x = 95,497.34 × 45,302.49
  4. Step 4: Simplify right side
    69,189.71x = 4,326,267,063.86
  5. Step 5: Solve for x
    x = 4,326,267,063.86/69,189.71
  6. Step 6: Final answer
    x = 62,527.61

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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.