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Finding the Fourth Proportional to 92,336.91, 127,484.24 and 57,928.81

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Solution

The fourth proportional to 92,336.91, 127,484.24 and 57,928.81 is: 79,978.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,336.91 : 127,484.24 = 57,928.81 : x
  2. Step 2: Convert to fraction form
    92,336.91/127,484.24 = 57,928.81/x
  3. Step 3: Cross multiply
    92,336.91x = 127,484.24 × 57,928.81
  4. Step 4: Simplify right side
    92,336.91x = 7,385,010,316.95
  5. Step 5: Solve for x
    x = 7,385,010,316.95/92,336.91
  6. Step 6: Final answer
    x = 79,978.96

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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.