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Finding the Fourth Proportional to 283,103.48, 424,728.71 and 105,611.82

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Solution

The fourth proportional to 283,103.48, 424,728.71 and 105,611.82 is: 158,445.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,103.48 : 424,728.71 = 105,611.82 : x
  2. Step 2: Convert to fraction form
    283,103.48/424,728.71 = 105,611.82/x
  3. Step 3: Cross multiply
    283,103.48x = 424,728.71 × 105,611.82
  4. Step 4: Simplify right side
    283,103.48x = 44,856,371,541.29
  5. Step 5: Solve for x
    x = 44,856,371,541.29/283,103.48
  6. Step 6: Final answer
    x = 158,445.15

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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.