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Finding the Fourth Proportional to 302,585.64, 453,945.86 and 92,239.96

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Solution

The fourth proportional to 302,585.64, 453,945.86 and 92,239.96 is: 138,380.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,585.64 : 453,945.86 = 92,239.96 : x
  2. Step 2: Convert to fraction form
    302,585.64/453,945.86 = 92,239.96/x
  3. Step 3: Cross multiply
    302,585.64x = 453,945.86 × 92,239.96
  4. Step 4: Simplify right side
    302,585.64x = 41,871,947,968.57
  5. Step 5: Solve for x
    x = 41,871,947,968.57/302,585.64
  6. Step 6: Final answer
    x = 138,380.49

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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.