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Finding the Fourth Proportional to 68,903.52, 95,097.26 and 42,061.65

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Solution

The fourth proportional to 68,903.52, 95,097.26 and 42,061.65 is: 58,051.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,903.52 : 95,097.26 = 42,061.65 : x
  2. Step 2: Convert to fraction form
    68,903.52/95,097.26 = 42,061.65/x
  3. Step 3: Cross multiply
    68,903.52x = 95,097.26 × 42,061.65
  4. Step 4: Simplify right side
    68,903.52x = 3,999,947,666.08
  5. Step 5: Solve for x
    x = 3,999,947,666.08/68,903.52
  6. Step 6: Final answer
    x = 58,051.43

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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.