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Finding the Fourth Proportional to 375,270.20, 562,766.90 and 162,047.96

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Solution

The fourth proportional to 375,270.20, 562,766.90 and 162,047.96 is: 243,012.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,270.20 : 562,766.90 = 162,047.96 : x
  2. Step 2: Convert to fraction form
    375,270.20/562,766.90 = 162,047.96/x
  3. Step 3: Cross multiply
    375,270.20x = 562,766.90 × 162,047.96
  4. Step 4: Simplify right side
    375,270.20x = 91,195,224,476.45
  5. Step 5: Solve for x
    x = 91,195,224,476.45/375,270.20
  6. Step 6: Final answer
    x = 243,012.17

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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.