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Finding the Fourth Proportional to 302,209.65, 453,148.02 and 124,676.28

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Solution

The fourth proportional to 302,209.65, 453,148.02 and 124,676.28 is: 186,945.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,209.65 : 453,148.02 = 124,676.28 : x
  2. Step 2: Convert to fraction form
    302,209.65/453,148.02 = 124,676.28/x
  3. Step 3: Cross multiply
    302,209.65x = 453,148.02 × 124,676.28
  4. Step 4: Simplify right side
    302,209.65x = 56,496,809,422.97
  5. Step 5: Solve for x
    x = 56,496,809,422.97/302,209.65
  6. Step 6: Final answer
    x = 186,945.75

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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.