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Finding the Fourth Proportional to 139,560.93, 192,595.02 and 75,899.19

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Solution

The fourth proportional to 139,560.93, 192,595.02 and 75,899.19 is: 104,741.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,560.93 : 192,595.02 = 75,899.19 : x
  2. Step 2: Convert to fraction form
    139,560.93/192,595.02 = 75,899.19/x
  3. Step 3: Cross multiply
    139,560.93x = 192,595.02 × 75,899.19
  4. Step 4: Simplify right side
    139,560.93x = 14,617,806,016.03
  5. Step 5: Solve for x
    x = 14,617,806,016.03/139,560.93
  6. Step 6: Final answer
    x = 104,741.39

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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.