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Finding the Fourth Proportional to 92,660.96, 127,806.96 and 56,868.32

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Solution

The fourth proportional to 92,660.96, 127,806.96 and 56,868.32 is: 78,438.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,660.96 : 127,806.96 = 56,868.32 : x
  2. Step 2: Convert to fraction form
    92,660.96/127,806.96 = 56,868.32/x
  3. Step 3: Cross multiply
    92,660.96x = 127,806.96 × 56,868.32
  4. Step 4: Simplify right side
    92,660.96x = 7,268,167,099.51
  5. Step 5: Solve for x
    x = 7,268,167,099.51/92,660.96
  6. Step 6: Final answer
    x = 78,438.29

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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.