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Finding the Fourth Proportional to 102,374.52, 141,277.40 and 59,379.48

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Solution

The fourth proportional to 102,374.52, 141,277.40 and 59,379.48 is: 81,944.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,374.52 : 141,277.40 = 59,379.48 : x
  2. Step 2: Convert to fraction form
    102,374.52/141,277.40 = 59,379.48/x
  3. Step 3: Cross multiply
    102,374.52x = 141,277.40 × 59,379.48
  4. Step 4: Simplify right side
    102,374.52x = 8,388,978,473.53
  5. Step 5: Solve for x
    x = 8,388,978,473.53/102,374.52
  6. Step 6: Final answer
    x = 81,944.01

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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.