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Finding the Fourth Proportional to 58,924.60, 88,170.90 and 43,372.60

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Solution

The fourth proportional to 58,924.60, 88,170.90 and 43,372.60 is: 64,899.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,924.60 : 88,170.90 = 43,372.60 : x
  2. Step 2: Convert to fraction form
    58,924.60/88,170.90 = 43,372.60/x
  3. Step 3: Cross multiply
    58,924.60x = 88,170.90 × 43,372.60
  4. Step 4: Simplify right side
    58,924.60x = 3,824,201,177.34
  5. Step 5: Solve for x
    x = 3,824,201,177.34/58,924.60
  6. Step 6: Final answer
    x = 64,899.91

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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.