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Finding the Fourth Proportional to 227,553.16, 314,030.90 and 124,193

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Solution

The fourth proportional to 227,553.16, 314,030.90 and 124,193 is: 171,390.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,553.16 : 314,030.90 = 124,193 : x
  2. Step 2: Convert to fraction form
    227,553.16/314,030.90 = 124,193/x
  3. Step 3: Cross multiply
    227,553.16x = 314,030.90 × 124,193
  4. Step 4: Simplify right side
    227,553.16x = 39,000,439,563.70
  5. Step 5: Solve for x
    x = 39,000,439,563.70/227,553.16
  6. Step 6: Final answer
    x = 171,390.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.