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Finding the Fourth Proportional to 64,951.20, 97,514.40 and 41,623.20

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Solution

The fourth proportional to 64,951.20, 97,514.40 and 41,623.20 is: 62,490.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,951.20 : 97,514.40 = 41,623.20 : x
  2. Step 2: Convert to fraction form
    64,951.20/97,514.40 = 41,623.20/x
  3. Step 3: Cross multiply
    64,951.20x = 97,514.40 × 41,623.20
  4. Step 4: Simplify right side
    64,951.20x = 4,058,861,374.08
  5. Step 5: Solve for x
    x = 4,058,861,374.08/64,951.20
  6. Step 6: Final answer
    x = 62,490.94

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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.