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Finding the Fourth Proportional to 93,393.36, 128,882.60 and 50,951.86

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Solution

The fourth proportional to 93,393.36, 128,882.60 and 50,951.86 is: 70,313.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,393.36 : 128,882.60 = 50,951.86 : x
  2. Step 2: Convert to fraction form
    93,393.36/128,882.60 = 50,951.86/x
  3. Step 3: Cross multiply
    93,393.36x = 128,882.60 × 50,951.86
  4. Step 4: Simplify right side
    93,393.36x = 6,566,808,191.64
  5. Step 5: Solve for x
    x = 6,566,808,191.64/93,393.36
  6. Step 6: Final answer
    x = 70,313.44

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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.