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Finding the Fourth Proportional to 95,630.40, 131,966.40 and 53,188

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Solution

The fourth proportional to 95,630.40, 131,966.40 and 53,188 is: 73,397.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,630.40 : 131,966.40 = 53,188 : x
  2. Step 2: Convert to fraction form
    95,630.40/131,966.40 = 53,188/x
  3. Step 3: Cross multiply
    95,630.40x = 131,966.40 × 53,188
  4. Step 4: Simplify right side
    95,630.40x = 7,019,028,883.20
  5. Step 5: Solve for x
    x = 7,019,028,883.20/95,630.40
  6. Step 6: Final answer
    x = 73,397.46

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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.