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Finding the Fourth Proportional to 72,596.29, 100,216.56 and 48,437.41

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Solution

The fourth proportional to 72,596.29, 100,216.56 and 48,437.41 is: 66,866.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,596.29 : 100,216.56 = 48,437.41 : x
  2. Step 2: Convert to fraction form
    72,596.29/100,216.56 = 48,437.41/x
  3. Step 3: Cross multiply
    72,596.29x = 100,216.56 × 48,437.41
  4. Step 4: Simplify right side
    72,596.29x = 4,854,230,605.51
  5. Step 5: Solve for x
    x = 4,854,230,605.51/72,596.29
  6. Step 6: Final answer
    x = 66,866.10

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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.