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Finding the Fourth Proportional to 95,858.59, 132,285 and 53,416.21

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Solution

The fourth proportional to 95,858.59, 132,285 and 53,416.21 is: 73,714.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,858.59 : 132,285 = 53,416.21 : x
  2. Step 2: Convert to fraction form
    95,858.59/132,285 = 53,416.21/x
  3. Step 3: Cross multiply
    95,858.59x = 132,285 × 53,416.21
  4. Step 4: Simplify right side
    95,858.59x = 7,066,163,339.85
  5. Step 5: Solve for x
    x = 7,066,163,339.85/95,858.59
  6. Step 6: Final answer
    x = 73,714.45

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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.