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Finding the Fourth Proportional to 58,801.20, 88,072.20 and 57,505.20

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Solution

The fourth proportional to 58,801.20, 88,072.20 and 57,505.20 is: 86,131.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,801.20 : 88,072.20 = 57,505.20 : x
  2. Step 2: Convert to fraction form
    58,801.20/88,072.20 = 57,505.20/x
  3. Step 3: Cross multiply
    58,801.20x = 88,072.20 × 57,505.20
  4. Step 4: Simplify right side
    58,801.20x = 5,064,609,475.44
  5. Step 5: Solve for x
    x = 5,064,609,475.44/58,801.20
  6. Step 6: Final answer
    x = 86,131.06

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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.