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Finding the Fourth Proportional to 97,356.90, 134,352.48 and 52,644.90

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Solution

The fourth proportional to 97,356.90, 134,352.48 and 52,644.90 is: 72,649.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,356.90 : 134,352.48 = 52,644.90 : x
  2. Step 2: Convert to fraction form
    97,356.90/134,352.48 = 52,644.90/x
  3. Step 3: Cross multiply
    97,356.90x = 134,352.48 × 52,644.90
  4. Step 4: Simplify right side
    97,356.90x = 7,072,972,874.35
  5. Step 5: Solve for x
    x = 7,072,972,874.35/97,356.90
  6. Step 6: Final answer
    x = 72,649.94

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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.