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Finding the Fourth Proportional to 97,349.88, 134,339.82 and 54,907.80

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Solution

The fourth proportional to 97,349.88, 134,339.82 and 54,907.80 is: 75,771.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,349.88 : 134,339.82 = 54,907.80 : x
  2. Step 2: Convert to fraction form
    97,349.88/134,339.82 = 54,907.80/x
  3. Step 3: Cross multiply
    97,349.88x = 134,339.82 × 54,907.80
  4. Step 4: Simplify right side
    97,349.88x = 7,376,303,968.60
  5. Step 5: Solve for x
    x = 7,376,303,968.60/97,349.88
  6. Step 6: Final answer
    x = 75,771.06

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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.