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Finding the Fourth Proportional to 92,336.41, 127,483.55 and 57,928.31

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Solution

The fourth proportional to 92,336.41, 127,483.55 and 57,928.31 is: 79,978.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,336.41 : 127,483.55 = 57,928.31 : x
  2. Step 2: Convert to fraction form
    92,336.41/127,483.55 = 57,928.31/x
  3. Step 3: Cross multiply
    92,336.41x = 127,483.55 × 57,928.31
  4. Step 4: Simplify right side
    92,336.41x = 7,384,906,314.66
  5. Step 5: Solve for x
    x = 7,384,906,314.66/92,336.41
  6. Step 6: Final answer
    x = 79,978.27

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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.