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Finding the Fourth Proportional to 194,601.60, 291,945.60 and 89,395.20

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Solution

The fourth proportional to 194,601.60, 291,945.60 and 89,395.20 is: 134,112.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,601.60 : 291,945.60 = 89,395.20 : x
  2. Step 2: Convert to fraction form
    194,601.60/291,945.60 = 89,395.20/x
  3. Step 3: Cross multiply
    194,601.60x = 291,945.60 × 89,395.20
  4. Step 4: Simplify right side
    194,601.60x = 26,098,535,301.12
  5. Step 5: Solve for x
    x = 26,098,535,301.12/194,601.60
  6. Step 6: Final answer
    x = 134,112.65

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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.