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Finding the Fourth Proportional to 92,571.92, 127,749.28 and 50,130.48

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Solution

The fourth proportional to 92,571.92, 127,749.28 and 50,130.48 is: 69,180.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,571.92 : 127,749.28 = 50,130.48 : x
  2. Step 2: Convert to fraction form
    92,571.92/127,749.28 = 50,130.48/x
  3. Step 3: Cross multiply
    92,571.92x = 127,749.28 × 50,130.48
  4. Step 4: Simplify right side
    92,571.92x = 6,404,132,726.05
  5. Step 5: Solve for x
    x = 6,404,132,726.05/92,571.92
  6. Step 6: Final answer
    x = 69,180.08

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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.