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Finding the Fourth Proportional to 92,630.78, 127,783.50 and 58,581.92

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Solution

The fourth proportional to 92,630.78, 127,783.50 and 58,581.92 is: 80,813.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,630.78 : 127,783.50 = 58,581.92 : x
  2. Step 2: Convert to fraction form
    92,630.78/127,783.50 = 58,581.92/x
  3. Step 3: Cross multiply
    92,630.78x = 127,783.50 × 58,581.92
  4. Step 4: Simplify right side
    92,630.78x = 7,485,802,774.32
  5. Step 5: Solve for x
    x = 7,485,802,774.32/92,630.78
  6. Step 6: Final answer
    x = 80,813.34

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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.