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Finding the Fourth Proportional to 92,641.72, 127,845.74 and 50,200.28

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Solution

The fourth proportional to 92,641.72, 127,845.74 and 50,200.28 is: 69,276.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,641.72 : 127,845.74 = 50,200.28 : x
  2. Step 2: Convert to fraction form
    92,641.72/127,845.74 = 50,200.28/x
  3. Step 3: Cross multiply
    92,641.72x = 127,845.74 × 50,200.28
  4. Step 4: Simplify right side
    92,641.72x = 6,417,891,944.81
  5. Step 5: Solve for x
    x = 6,417,891,944.81/92,641.72
  6. Step 6: Final answer
    x = 69,276.48

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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.