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Finding the Fourth Proportional to 92,017.78, 126,989.04 and 51,744.22

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Solution

The fourth proportional to 92,017.78, 126,989.04 and 51,744.22 is: 71,409.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,017.78 : 126,989.04 = 51,744.22 : x
  2. Step 2: Convert to fraction form
    92,017.78/126,989.04 = 51,744.22/x
  3. Step 3: Cross multiply
    92,017.78x = 126,989.04 × 51,744.22
  4. Step 4: Simplify right side
    92,017.78x = 6,570,948,823.35
  5. Step 5: Solve for x
    x = 6,570,948,823.35/92,017.78
  6. Step 6: Final answer
    x = 71,409.56

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1.5x scale

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.