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Finding the Fourth Proportional to 99,804.54, 137,726.79 and 59,497.50

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Solution

The fourth proportional to 99,804.54, 137,726.79 and 59,497.50 is: 82,104.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,804.54 : 137,726.79 = 59,497.50 : x
  2. Step 2: Convert to fraction form
    99,804.54/137,726.79 = 59,497.50/x
  3. Step 3: Cross multiply
    99,804.54x = 137,726.79 × 59,497.50
  4. Step 4: Simplify right side
    99,804.54x = 8,194,399,688.03
  5. Step 5: Solve for x
    x = 8,194,399,688.03/99,804.54
  6. Step 6: Final answer
    x = 82,104.48

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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.