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Finding the Fourth Proportional to 88,603, 122,272.14 and 48,859

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Solution

The fourth proportional to 88,603, 122,272.14 and 48,859 is: 67,425.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,603 : 122,272.14 = 48,859 : x
  2. Step 2: Convert to fraction form
    88,603/122,272.14 = 48,859/x
  3. Step 3: Cross multiply
    88,603x = 122,272.14 × 48,859
  4. Step 4: Simplify right side
    88,603x = 5,974,094,488.26
  5. Step 5: Solve for x
    x = 5,974,094,488.26/88,603
  6. Step 6: Final answer
    x = 67,425.42

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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.