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Finding the Fourth Proportional to 283,841.72, 425,772.64 and 70,610.74

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Solution

The fourth proportional to 283,841.72, 425,772.64 and 70,610.74 is: 105,918.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,841.72 : 425,772.64 = 70,610.74 : x
  2. Step 2: Convert to fraction form
    283,841.72/425,772.64 = 70,610.74/x
  3. Step 3: Cross multiply
    283,841.72x = 425,772.64 × 70,610.74
  4. Step 4: Simplify right side
    283,841.72x = 30,064,121,182.15
  5. Step 5: Solve for x
    x = 30,064,121,182.15/283,841.72
  6. Step 6: Final answer
    x = 105,918.61

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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.