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Finding the Fourth Proportional to 283,671.76, 425,570.72 and 123,773.61

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Solution

The fourth proportional to 283,671.76, 425,570.72 and 123,773.61 is: 185,687.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,671.76 : 425,570.72 = 123,773.61 : x
  2. Step 2: Convert to fraction form
    283,671.76/425,570.72 = 123,773.61/x
  3. Step 3: Cross multiply
    283,671.76x = 425,570.72 × 123,773.61
  4. Step 4: Simplify right side
    283,671.76x = 52,674,421,577.98
  5. Step 5: Solve for x
    x = 52,674,421,577.98/283,671.76
  6. Step 6: Final answer
    x = 185,687.93

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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.