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Finding the Fourth Proportional to 104,866, 144,715.08 and 60,168.40

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Solution

The fourth proportional to 104,866, 144,715.08 and 60,168.40 is: 83,032.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,866 : 144,715.08 = 60,168.40 : x
  2. Step 2: Convert to fraction form
    104,866/144,715.08 = 60,168.40/x
  3. Step 3: Cross multiply
    104,866x = 144,715.08 × 60,168.40
  4. Step 4: Simplify right side
    104,866x = 8,707,274,819.47
  5. Step 5: Solve for x
    x = 8,707,274,819.47/104,866
  6. Step 6: Final answer
    x = 83,032.39

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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.