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Finding the Fourth Proportional to 104,682, 157,062.68 and 48,549

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Solution

The fourth proportional to 104,682, 157,062.68 and 48,549 is: 72,841.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,682 : 157,062.68 = 48,549 : x
  2. Step 2: Convert to fraction form
    104,682/157,062.68 = 48,549/x
  3. Step 3: Cross multiply
    104,682x = 157,062.68 × 48,549
  4. Step 4: Simplify right side
    104,682x = 7,625,236,051.32
  5. Step 5: Solve for x
    x = 7,625,236,051.32/104,682
  6. Step 6: Final answer
    x = 72,841.90

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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.