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Finding the Fourth Proportional to 92,512.36, 127,606.53 and 65,328.31

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Solution

The fourth proportional to 92,512.36, 127,606.53 and 65,328.31 is: 90,110.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,512.36 : 127,606.53 = 65,328.31 : x
  2. Step 2: Convert to fraction form
    92,512.36/127,606.53 = 65,328.31/x
  3. Step 3: Cross multiply
    92,512.36x = 127,606.53 × 65,328.31
  4. Step 4: Simplify right side
    92,512.36x = 8,336,318,949.86
  5. Step 5: Solve for x
    x = 8,336,318,949.86/92,512.36
  6. Step 6: Final answer
    x = 90,110.33

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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.