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Finding the Fourth Proportional to 95,981, 132,453.90 and 53,542.24

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Solution

The fourth proportional to 95,981, 132,453.90 and 53,542.24 is: 73,888.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,981 : 132,453.90 = 53,542.24 : x
  2. Step 2: Convert to fraction form
    95,981/132,453.90 = 53,542.24/x
  3. Step 3: Cross multiply
    95,981x = 132,453.90 × 53,542.24
  4. Step 4: Simplify right side
    95,981x = 7,091,878,502.74
  5. Step 5: Solve for x
    x = 7,091,878,502.74/95,981
  6. Step 6: Final answer
    x = 73,888.36

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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.