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Finding the Fourth Proportional to 69,130.56, 95,446.08 and 53,186.88

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Solution

The fourth proportional to 69,130.56, 95,446.08 and 53,186.88 is: 73,433.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,130.56 : 95,446.08 = 53,186.88 : x
  2. Step 2: Convert to fraction form
    69,130.56/95,446.08 = 53,186.88/x
  3. Step 3: Cross multiply
    69,130.56x = 95,446.08 × 53,186.88
  4. Step 4: Simplify right side
    69,130.56x = 5,076,479,203.43
  5. Step 5: Solve for x
    x = 5,076,479,203.43/69,130.56
  6. Step 6: Final answer
    x = 73,433.21

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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.