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Finding the Fourth Proportional to 92,907.94, 139,367.16 and 26,342.82

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Solution

The fourth proportional to 92,907.94, 139,367.16 and 26,342.82 is: 39,515.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,907.94 : 139,367.16 = 26,342.82 : x
  2. Step 2: Convert to fraction form
    92,907.94/139,367.16 = 26,342.82/x
  3. Step 3: Cross multiply
    92,907.94x = 139,367.16 × 26,342.82
  4. Step 4: Simplify right side
    92,907.94x = 3,671,324,009.79
  5. Step 5: Solve for x
    x = 3,671,324,009.79/92,907.94
  6. Step 6: Final answer
    x = 39,515.72

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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.