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Finding the Fourth Proportional to 92,603, 127,792.14 and 50,161.53

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Solution

The fourth proportional to 92,603, 127,792.14 and 50,161.53 is: 69,222.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,603 : 127,792.14 = 50,161.53 : x
  2. Step 2: Convert to fraction form
    92,603/127,792.14 = 50,161.53/x
  3. Step 3: Cross multiply
    92,603x = 127,792.14 × 50,161.53
  4. Step 4: Simplify right side
    92,603x = 6,410,249,264.37
  5. Step 5: Solve for x
    x = 6,410,249,264.37/92,603
  6. Step 6: Final answer
    x = 69,222.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.