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Finding the Fourth Proportional to 153,553.72, 230,367 and 48,372.40

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Solution

The fourth proportional to 153,553.72, 230,367 and 48,372.40 is: 72,570.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,553.72 : 230,367 = 48,372.40 : x
  2. Step 2: Convert to fraction form
    153,553.72/230,367 = 48,372.40/x
  3. Step 3: Cross multiply
    153,553.72x = 230,367 × 48,372.40
  4. Step 4: Simplify right side
    153,553.72x = 11,143,404,670.80
  5. Step 5: Solve for x
    x = 11,143,404,670.80/153,553.72
  6. Step 6: Final answer
    x = 72,570.07

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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.