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Finding the Fourth Proportional to 303,743.70, 456,004.35 and 161,702.10

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Solution

The fourth proportional to 303,743.70, 456,004.35 and 161,702.10 is: 242,760.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,743.70 : 456,004.35 = 161,702.10 : x
  2. Step 2: Convert to fraction form
    303,743.70/456,004.35 = 161,702.10/x
  3. Step 3: Cross multiply
    303,743.70x = 456,004.35 × 161,702.10
  4. Step 4: Simplify right side
    303,743.70x = 73,736,861,004.14
  5. Step 5: Solve for x
    x = 73,736,861,004.14/303,743.70
  6. Step 6: Final answer
    x = 242,760.13

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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.