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Finding the Fourth Proportional to 52,876.92, 79,159.56 and 46,315.92

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Solution

The fourth proportional to 52,876.92, 79,159.56 and 46,315.92 is: 69,337.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,876.92 : 79,159.56 = 46,315.92 : x
  2. Step 2: Convert to fraction form
    52,876.92/79,159.56 = 46,315.92/x
  3. Step 3: Cross multiply
    52,876.92x = 79,159.56 × 46,315.92
  4. Step 4: Simplify right side
    52,876.92x = 3,666,348,046.09
  5. Step 5: Solve for x
    x = 3,666,348,046.09/52,876.92
  6. Step 6: Final answer
    x = 69,337.39

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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.