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Finding the Fourth Proportional to 88,649.82, 122,320.01 and 52,843.16

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Solution

The fourth proportional to 88,649.82, 122,320.01 and 52,843.16 is: 72,913.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,649.82 : 122,320.01 = 52,843.16 : x
  2. Step 2: Convert to fraction form
    88,649.82/122,320.01 = 52,843.16/x
  3. Step 3: Cross multiply
    88,649.82x = 122,320.01 × 52,843.16
  4. Step 4: Simplify right side
    88,649.82x = 6,463,774,983.82
  5. Step 5: Solve for x
    x = 6,463,774,983.82/88,649.82
  6. Step 6: Final answer
    x = 72,913.57

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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.