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Finding the Fourth Proportional to 68,875.44, 95,054.94 and 42,035.88

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Solution

The fourth proportional to 68,875.44, 95,054.94 and 42,035.88 is: 58,013.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,875.44 : 95,054.94 = 42,035.88 : x
  2. Step 2: Convert to fraction form
    68,875.44/95,054.94 = 42,035.88/x
  3. Step 3: Cross multiply
    68,875.44x = 95,054.94 × 42,035.88
  4. Step 4: Simplify right side
    68,875.44x = 3,995,718,051.25
  5. Step 5: Solve for x
    x = 3,995,718,051.25/68,875.44
  6. Step 6: Final answer
    x = 58,013.68

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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.