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Finding the Fourth Proportional to 302,496.69, 453,745.17 and 124,808.40

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Solution

The fourth proportional to 302,496.69, 453,745.17 and 124,808.40 is: 187,212.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,496.69 : 453,745.17 = 124,808.40 : x
  2. Step 2: Convert to fraction form
    302,496.69/453,745.17 = 124,808.40/x
  3. Step 3: Cross multiply
    302,496.69x = 453,745.17 × 124,808.40
  4. Step 4: Simplify right side
    302,496.69x = 56,631,208,675.43
  5. Step 5: Solve for x
    x = 56,631,208,675.43/302,496.69
  6. Step 6: Final answer
    x = 187,212.66

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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.