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Finding the Fourth Proportional to 468,889.61, 703,252.81 and 131,850.23

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Solution

The fourth proportional to 468,889.61, 703,252.81 and 131,850.23 is: 197,752.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,889.61 : 703,252.81 = 131,850.23 : x
  2. Step 2: Convert to fraction form
    468,889.61/703,252.81 = 131,850.23/x
  3. Step 3: Cross multiply
    468,889.61x = 703,252.81 × 131,850.23
  4. Step 4: Simplify right side
    468,889.61x = 92,724,044,980.16
  5. Step 5: Solve for x
    x = 92,724,044,980.16/468,889.61
  6. Step 6: Final answer
    x = 197,752.40

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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.