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Finding the Fourth Proportional to 92,179.60, 127,214.24 and 51,896.72

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Solution

The fourth proportional to 92,179.60, 127,214.24 and 51,896.72 is: 71,621.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,179.60 : 127,214.24 = 51,896.72 : x
  2. Step 2: Convert to fraction form
    92,179.60/127,214.24 = 51,896.72/x
  3. Step 3: Cross multiply
    92,179.60x = 127,214.24 × 51,896.72
  4. Step 4: Simplify right side
    92,179.60x = 6,602,001,793.29
  5. Step 5: Solve for x
    x = 6,602,001,793.29/92,179.60
  6. Step 6: Final answer
    x = 71,621.07

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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.