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Finding the Fourth Proportional to 92,157.34, 127,189.37 and 51,879.02

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Solution

The fourth proportional to 92,157.34, 127,189.37 and 51,879.02 is: 71,599.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,157.34 : 127,189.37 = 51,879.02 : x
  2. Step 2: Convert to fraction form
    92,157.34/127,189.37 = 51,879.02/x
  3. Step 3: Cross multiply
    92,157.34x = 127,189.37 × 51,879.02
  4. Step 4: Simplify right side
    92,157.34x = 6,598,459,928.60
  5. Step 5: Solve for x
    x = 6,598,459,928.60/92,157.34
  6. Step 6: Final answer
    x = 71,599.94

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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.