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Finding the Fourth Proportional to 92,907.68, 139,361.48 and 26,348.40

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Solution

The fourth proportional to 92,907.68, 139,361.48 and 26,348.40 is: 39,522.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,907.68 : 139,361.48 = 26,348.40 : x
  2. Step 2: Convert to fraction form
    92,907.68/139,361.48 = 26,348.40/x
  3. Step 3: Cross multiply
    92,907.68x = 139,361.48 × 26,348.40
  4. Step 4: Simplify right side
    92,907.68x = 3,671,952,019.63
  5. Step 5: Solve for x
    x = 3,671,952,019.63/92,907.68
  6. Step 6: Final answer
    x = 39,522.59

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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.