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Finding the Fourth Proportional to 289,423.52, 433,785.36 and 149,105.60

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Solution

The fourth proportional to 289,423.52, 433,785.36 and 149,105.60 is: 223,478.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,423.52 : 433,785.36 = 149,105.60 : x
  2. Step 2: Convert to fraction form
    289,423.52/433,785.36 = 149,105.60/x
  3. Step 3: Cross multiply
    289,423.52x = 433,785.36 × 149,105.60
  4. Step 4: Simplify right side
    289,423.52x = 64,679,826,374.02
  5. Step 5: Solve for x
    x = 64,679,826,374.02/289,423.52
  6. Step 6: Final answer
    x = 223,478.13

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