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Finding the Fourth Proportional to 89,995, 124,193.10 and 50,251

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Solution

The fourth proportional to 89,995, 124,193.10 and 50,251 is: 69,346.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,995 : 124,193.10 = 50,251 : x
  2. Step 2: Convert to fraction form
    89,995/124,193.10 = 50,251/x
  3. Step 3: Cross multiply
    89,995x = 124,193.10 × 50,251
  4. Step 4: Simplify right side
    89,995x = 6,240,827,468.10
  5. Step 5: Solve for x
    x = 6,240,827,468.10/89,995
  6. Step 6: Final answer
    x = 69,346.38

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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.