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Finding the Fourth Proportional to 93,224.52, 128,650.68 and 54,984.96

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Solution

The fourth proportional to 93,224.52, 128,650.68 and 54,984.96 is: 75,879.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,224.52 : 128,650.68 = 54,984.96 : x
  2. Step 2: Convert to fraction form
    93,224.52/128,650.68 = 54,984.96/x
  3. Step 3: Cross multiply
    93,224.52x = 128,650.68 × 54,984.96
  4. Step 4: Simplify right side
    93,224.52x = 7,073,852,493.77
  5. Step 5: Solve for x
    x = 7,073,852,493.77/93,224.52
  6. Step 6: Final answer
    x = 75,879.74

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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.