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Finding the Fourth Proportional to 92,611.96, 127,810.41 and 56,797.10

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Solution

The fourth proportional to 92,611.96, 127,810.41 and 56,797.10 is: 78,383.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,611.96 : 127,810.41 = 56,797.10 : x
  2. Step 2: Convert to fraction form
    92,611.96/127,810.41 = 56,797.10/x
  3. Step 3: Cross multiply
    92,611.96x = 127,810.41 × 56,797.10
  4. Step 4: Simplify right side
    92,611.96x = 7,259,260,265.06
  5. Step 5: Solve for x
    x = 7,259,260,265.06/92,611.96
  6. Step 6: Final answer
    x = 78,383.62

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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.