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Finding the Fourth Proportional to 61,436.88, 92,138.67 and 26,368.32

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Solution

The fourth proportional to 61,436.88, 92,138.67 and 26,368.32 is: 39,545.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,436.88 : 92,138.67 = 26,368.32 : x
  2. Step 2: Convert to fraction form
    61,436.88/92,138.67 = 26,368.32/x
  3. Step 3: Cross multiply
    61,436.88x = 92,138.67 × 26,368.32
  4. Step 4: Simplify right side
    61,436.88x = 2,429,541,934.93
  5. Step 5: Solve for x
    x = 2,429,541,934.93/61,436.88
  6. Step 6: Final answer
    x = 39,545.33

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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.