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Finding the Fourth Proportional to 92,799, 128,062.62 and 52,511.94

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Solution

The fourth proportional to 92,799, 128,062.62 and 52,511.94 is: 72,466.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,799 : 128,062.62 = 52,511.94 : x
  2. Step 2: Convert to fraction form
    92,799/128,062.62 = 52,511.94/x
  3. Step 3: Cross multiply
    92,799x = 128,062.62 × 52,511.94
  4. Step 4: Simplify right side
    92,799x = 6,724,816,617.68
  5. Step 5: Solve for x
    x = 6,724,816,617.68/92,799
  6. Step 6: Final answer
    x = 72,466.48

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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.