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Finding the Fourth Proportional to 93,270.52, 128,709.57 and 50,828.14

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Solution

The fourth proportional to 93,270.52, 128,709.57 and 50,828.14 is: 70,140.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,270.52 : 128,709.57 = 50,828.14 : x
  2. Step 2: Convert to fraction form
    93,270.52/128,709.57 = 50,828.14/x
  3. Step 3: Cross multiply
    93,270.52x = 128,709.57 × 50,828.14
  4. Step 4: Simplify right side
    93,270.52x = 6,542,068,043.30
  5. Step 5: Solve for x
    x = 6,542,068,043.30/93,270.52
  6. Step 6: Final answer
    x = 70,140.79

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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.