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Finding the Fourth Proportional to 68,904.66, 95,103.24 and 42,041.40

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Solution

The fourth proportional to 68,904.66, 95,103.24 and 42,041.40 is: 58,026.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,904.66 : 95,103.24 = 42,041.40 : x
  2. Step 2: Convert to fraction form
    68,904.66/95,103.24 = 42,041.40/x
  3. Step 3: Cross multiply
    68,904.66x = 95,103.24 × 42,041.40
  4. Step 4: Simplify right side
    68,904.66x = 3,998,273,354.14
  5. Step 5: Solve for x
    x = 3,998,273,354.14/68,904.66
  6. Step 6: Final answer
    x = 58,026.17

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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.