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Finding the Fourth Proportional to 194,436.16, 291,325.92 and 119,399.92

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Solution

The fourth proportional to 194,436.16, 291,325.92 and 119,399.92 is: 178,898.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,436.16 : 291,325.92 = 119,399.92 : x
  2. Step 2: Convert to fraction form
    194,436.16/291,325.92 = 119,399.92/x
  3. Step 3: Cross multiply
    194,436.16x = 291,325.92 × 119,399.92
  4. Step 4: Simplify right side
    194,436.16x = 34,784,291,541.93
  5. Step 5: Solve for x
    x = 34,784,291,541.93/194,436.16
  6. Step 6: Final answer
    x = 178,898.26

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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.