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Finding the Fourth Proportional to 283,051.73, 424,581.93 and 72,685.01

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Solution

The fourth proportional to 283,051.73, 424,581.93 and 72,685.01 is: 109,028.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,051.73 : 424,581.93 = 72,685.01 : x
  2. Step 2: Convert to fraction form
    283,051.73/424,581.93 = 72,685.01/x
  3. Step 3: Cross multiply
    283,051.73x = 424,581.93 × 72,685.01
  4. Step 4: Simplify right side
    283,051.73x = 30,860,741,827.87
  5. Step 5: Solve for x
    x = 30,860,741,827.87/283,051.73
  6. Step 6: Final answer
    x = 109,028.63

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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.