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Finding the Fourth Proportional to 64,197.48, 88,590.80 and 35,905.80

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Solution

The fourth proportional to 64,197.48, 88,590.80 and 35,905.80 is: 49,549.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,197.48 : 88,590.80 = 35,905.80 : x
  2. Step 2: Convert to fraction form
    64,197.48/88,590.80 = 35,905.80/x
  3. Step 3: Cross multiply
    64,197.48x = 88,590.80 × 35,905.80
  4. Step 4: Simplify right side
    64,197.48x = 3,180,923,546.64
  5. Step 5: Solve for x
    x = 3,180,923,546.64/64,197.48
  6. Step 6: Final answer
    x = 49,549.04

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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.