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Finding the Fourth Proportional to 93,230.97, 128,658.75 and 50,789.52

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Solution

The fourth proportional to 93,230.97, 128,658.75 and 50,789.52 is: 70,089.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,230.97 : 128,658.75 = 50,789.52 : x
  2. Step 2: Convert to fraction form
    93,230.97/128,658.75 = 50,789.52/x
  3. Step 3: Cross multiply
    93,230.97x = 128,658.75 × 50,789.52
  4. Step 4: Simplify right side
    93,230.97x = 6,534,516,156.30
  5. Step 5: Solve for x
    x = 6,534,516,156.30/93,230.97
  6. Step 6: Final answer
    x = 70,089.54

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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.