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Finding the Fourth Proportional to 92,907.81, 139,361.67 and 26,348.52

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Solution

The fourth proportional to 92,907.81, 139,361.67 and 26,348.52 is: 39,522.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,907.81 : 139,361.67 = 26,348.52 : x
  2. Step 2: Convert to fraction form
    92,907.81/139,361.67 = 26,348.52/x
  3. Step 3: Cross multiply
    92,907.81x = 139,361.67 × 26,348.52
  4. Step 4: Simplify right side
    92,907.81x = 3,671,973,749.23
  5. Step 5: Solve for x
    x = 3,671,973,749.23/92,907.81
  6. Step 6: Final answer
    x = 39,522.77

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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.