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Finding the Fourth Proportional to 283,777.36, 425,653.72 and 70,540.76

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Solution

The fourth proportional to 283,777.36, 425,653.72 and 70,540.76 is: 105,808.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,777.36 : 425,653.72 = 70,540.76 : x
  2. Step 2: Convert to fraction form
    283,777.36/425,653.72 = 70,540.76/x
  3. Step 3: Cross multiply
    283,777.36x = 425,653.72 × 70,540.76
  4. Step 4: Simplify right side
    283,777.36x = 30,025,937,793.41
  5. Step 5: Solve for x
    x = 30,025,937,793.41/283,777.36
  6. Step 6: Final answer
    x = 105,808.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.