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Finding the Fourth Proportional to 92,410.88, 127,526.93 and 49,969.31

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Solution

The fourth proportional to 92,410.88, 127,526.93 and 49,969.31 is: 68,957.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,410.88 : 127,526.93 = 49,969.31 : x
  2. Step 2: Convert to fraction form
    92,410.88/127,526.93 = 49,969.31/x
  3. Step 3: Cross multiply
    92,410.88x = 127,526.93 × 49,969.31
  4. Step 4: Simplify right side
    92,410.88x = 6,372,432,767.49
  5. Step 5: Solve for x
    x = 6,372,432,767.49/92,410.88
  6. Step 6: Final answer
    x = 68,957.60

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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.