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Finding the Fourth Proportional to 114,559.96, 171,907.98 and 61,968.28

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Solution

The fourth proportional to 114,559.96, 171,907.98 and 61,968.28 is: 92,989.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,559.96 : 171,907.98 = 61,968.28 : x
  2. Step 2: Convert to fraction form
    114,559.96/171,907.98 = 61,968.28/x
  3. Step 3: Cross multiply
    114,559.96x = 171,907.98 × 61,968.28
  4. Step 4: Simplify right side
    114,559.96x = 10,652,841,838.87
  5. Step 5: Solve for x
    x = 10,652,841,838.87/114,559.96
  6. Step 6: Final answer
    x = 92,989.22

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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.