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Finding the Fourth Proportional to 192,804.24, 289,099.08 and 59,646.72

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Solution

The fourth proportional to 192,804.24, 289,099.08 and 59,646.72 is: 89,436.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,804.24 : 289,099.08 = 59,646.72 : x
  2. Step 2: Convert to fraction form
    192,804.24/289,099.08 = 59,646.72/x
  3. Step 3: Cross multiply
    192,804.24x = 289,099.08 × 59,646.72
  4. Step 4: Simplify right side
    192,804.24x = 17,243,811,877.02
  5. Step 5: Solve for x
    x = 17,243,811,877.02/192,804.24
  6. Step 6: Final answer
    x = 89,436.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.