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Finding the Fourth Proportional to 104,871.40, 144,717.40 and 59,543.44

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Solution

The fourth proportional to 104,871.40, 144,717.40 and 59,543.44 is: 82,167.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,871.40 : 144,717.40 = 59,543.44 : x
  2. Step 2: Convert to fraction form
    104,871.40/144,717.40 = 59,543.44/x
  3. Step 3: Cross multiply
    104,871.40x = 144,717.40 × 59,543.44
  4. Step 4: Simplify right side
    104,871.40x = 8,616,971,823.86
  5. Step 5: Solve for x
    x = 8,616,971,823.86/104,871.40
  6. Step 6: Final answer
    x = 82,167.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.