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Finding the Fourth Proportional to 96,218.92, 132,784.88 and 53,777.56

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Solution

The fourth proportional to 96,218.92, 132,784.88 and 53,777.56 is: 74,214.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,218.92 : 132,784.88 = 53,777.56 : x
  2. Step 2: Convert to fraction form
    96,218.92/132,784.88 = 53,777.56/x
  3. Step 3: Cross multiply
    96,218.92x = 132,784.88 × 53,777.56
  4. Step 4: Simplify right side
    96,218.92x = 7,140,846,851.29
  5. Step 5: Solve for x
    x = 7,140,846,851.29/96,218.92
  6. Step 6: Final answer
    x = 74,214.58

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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.