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Finding the Fourth Proportional to 192,379.68, 265,483.40 and 107,496.81

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Solution

The fourth proportional to 192,379.68, 265,483.40 and 107,496.81 is: 148,345.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,379.68 : 265,483.40 = 107,496.81 : x
  2. Step 2: Convert to fraction form
    192,379.68/265,483.40 = 107,496.81/x
  3. Step 3: Cross multiply
    192,379.68x = 265,483.40 × 107,496.81
  4. Step 4: Simplify right side
    192,379.68x = 28,538,618,607.95
  5. Step 5: Solve for x
    x = 28,538,618,607.95/192,379.68
  6. Step 6: Final answer
    x = 148,345.29

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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.