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Finding the Fourth Proportional to 92,399.48, 127,511.06 and 49,958.02

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Solution

The fourth proportional to 92,399.48, 127,511.06 and 49,958.02 is: 68,941.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,399.48 : 127,511.06 = 49,958.02 : x
  2. Step 2: Convert to fraction form
    92,399.48/127,511.06 = 49,958.02/x
  3. Step 3: Cross multiply
    92,399.48x = 127,511.06 × 49,958.02
  4. Step 4: Simplify right side
    92,399.48x = 6,370,199,559.06
  5. Step 5: Solve for x
    x = 6,370,199,559.06/92,399.48
  6. Step 6: Final answer
    x = 68,941.94

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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.